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What is 10% of 470

MathProblem-Solving and Data Analysis

A kangaroo has a mass of 28 kilograms. What is the kangaroo's mass, in grams? (1 kilogram = 1,000 grams)

MathProblem-Solving and Data Analysis

A cherry pitting machine pits 12 pounds of cherries in 3 minutes. At this rate, how many minutes does it take the machine to pit 96 pounds of cherries?

MathProblem-Solving and Data Analysis

The mean score of 8 players in a basketball game was 14.5 points. If the highest individual score is removed, the mean score of the remaining 7 players becomes 12 points. What was the highest score?

MathProblem-Solving and Data Analysis

The population of City A increased by 7% from 2015 to 2016. If the 2016 population is $k$ times the 2015 population, what is the value of $k$?

MathProblem-Solving and Data Analysis

Two different teams consisting of 10 members each ran in a race. Each member's completion time of the race was recorded. The mean of the completion times for each team was calculated and is shown below.<br/><br/>Team A: 3.41 minutes<br/><br/>Team B: 3.79 minutes<br/><br/>Which of the following MUST be true?<br/><br/>1. Every member of team A completed the race in less time than any member of team B.<br/><br/>2. The median time it took the members of team B to complete the race is greater than the median time it took the members of team A to complete the race.<br/><br/>3. There is at least one member of team B who took more time to complete the race than some member of team

MathProblem-Solving and Data Analysis

Tanya earns $13.50 per hour at her part-time job. When she works $z$ hours, she earns 13.50z dollars. Which of the following expressions gives the amount, in dollars, Tanya will earn if she works **3z** hours?

MathProblem-Solving and Data Analysis

A band with 45 members has 11 members who play saxophone. If one band member is selected at random, what is the probability of selecting a band member who plays saxophone?

MathProblem-Solving and Data Analysis

$\begin{tabular}{|c|c|} \hline Value & Frequency \\ \hline<br/>1 & $a$ \\ \hline<br/>2 & _2a_ \\ \hline<br/>3 & _3a_ \\ \hline<br/>4 & _2a_ \\ \hline<br/>5 & $a$ \\ \hline \end{tabular}$ The frequency distribution above summarizes a set of data, where $a$ is a positive integer. How much greater is the mean of the set of data than the median?

MathProblem-Solving and Data Analysis

**2, 9, 14, 23, 32**<br/><br/>What is the mean of the data shown?<br/><br/>**

MathProblem-Solving and Data Analysis

$\begin{tabular}{|l|c|c|c|} \hline & & \multicolumn{2}{c|}{**Does not talk**} \\<br/>**Texting** & **Talks on cell** & **on cell phone** & \\<br/>**behavior** & **phone daily** & **daily** & **Total** \\ \hline<br/>**Light** & 110 & 146 & 256 \\ \hline<br/>**Medium** & 139 & 164 & 303 \\ \hline<br/>**Heavy** & 166 & 74 & 240 \\ \hline<br/>**Total** & 415 & 384 & 799 \\ \hline \end{tabular}$<br/><br/>In a study of cell phone use, 799 randomly selected US teens were asked how often they talked on a cell phone and about their texting behavior. The data are summarized in the table above. If one of the 799 teens surveyed is selected at random, what is the probability that the teen talks on a cell phone daily?

MathProblem-Solving and Data Analysis

Which expression represents the result of increasing a positive quantity $w$ by $43%$?

MathProblem-Solving and Data Analysis

A random sample of 50 people from a town with a population of 14,878 were asked to name their favorite flavor of ice cream. If 7 people in the sample named chocolate as their favorite ice-cream flavor, about how many people in the town would be expected to name chocolate?

MathProblem-Solving and Data Analysis

Shaguan has 7 red cards and 28 blue cards. What is the ratio of red cards to blue cards that Shaquan has?

MathProblem-Solving and Data Analysis

Rectangle $A$ has length 15 and width $w$. Rectangle $B$ has length 20 and the same length-to-width ratio as rectangle $A$. What is the width of rectangle $B$ in terms of $w$ ?

MathProblem-Solving and Data Analysis

Of the 8 planets in our solar system, 4 are considered rocky. If a student randomly selects 1 of those 8 planets as a topic for a report, what is the probability that the selected planet will be rocky?

MathProblem-Solving and Data Analysis

A sample consisting of **720** adults who own televisions was selected at random for a study. Based on the sample, it is estimated that **32%** of all adults who own televisions use their televisions to watch nature shows, with an associated margin of error of **3.41%**. Which of the following is the most plausible conclusion about all adults who own televisions?

MathProblem-Solving and Data Analysis

How many yards are equivalent to 612 inches? (1 yard = 36 inches)

MathProblem-Solving and Data Analysis

A sample of oak has a density of 807 kilograms per cubic meter. The sample is in the shape of a cube, where each edge has a length of 0.90 meters. To the nearest whole number, what is the mass, in kilograms, of this sample?

MathProblem-Solving and Data Analysis

A survey was conducted using a sample of history professors selected at random from the California State Universities. The professors surveyed were asked to name the publishers of their current texts. What is the largest population to which the results of the survey can be generalized?

MathProblem-Solving and Data Analysis

Each rock in a collection of 70 rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table.<br/><br/>$\begin{tabular}{|l|c|} \hline<br/>\textbf{Classification} & \textbf{Frequency} \\ \hline <br/>igneous & 10 \\ \hline <br/>metamorphic & 33 \\ \hline <br/>sedimentary & 27 \\ \hline <br/>\end{tabular}$<br/><br/>If one of these rocks is selected at random, what is the probability of selecting a rock that is igneous?

MathProblem-Solving and Data Analysis

Last year, 200 students enrolled in an interior design program. This year, the number of students enrolled is 147% of last year's number. How many students are enrolled in the interior design program this year?

MathProblem-Solving and Data Analysis

During the first month of sales, a company sold 1,300,000 units of a certain type of smartphone. During the same month, 15% of the units sold were returned. If sales and the return rate remain the same for each of the next 5 months, about how many units of this smartphone will be returned to the company during this 6-month period?

MathProblem-Solving and Data Analysis

The ratio of $t$ to $u$ is 1 to 2, and $t=10$. What is the value of $u$?

MathProblem-Solving and Data Analysis

$\begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{4}{c|}{**Grade level**} \\ \cline{2-5}<br/>**Mascot** & **Sixth** & **Seventh** & **Eighth** & **Total** \\ \hline<br/>**Badger** & 4 & 9 & 9 & 22 \\ \hline<br/>**Lion** & 9 & 2 & 9 & 20 \\ \hline<br/>**Longhorn** & 4 & 6 & 4 & 14 \\ \hline<br/>**Tiger** & 6 & 9 & 9 & 24 \\ \hline<br/>**Total** & 23 & 26 & 31 & 80 \\ \hline \end{tabular}$<br/><br/>If one of these students is selected at random, what is the probability of selecting a student whose vote for new mascot was for a lion?

MathProblem-Solving and Data Analysis