MM
Mashaal Masha
Apr 11, 2024
| Energy per Gram of Typical Macronutrients | ||
|---|---|---|
| Macronutrient | Food calories | Kilojules |
| Protein | 4.0 | 16.7 |
| Fat | 9.0 | 37.7 |
| Carbohydrate | 4.0 | 16.7 |
The table above gives the typical amounts of energy per gram, expressed in both food calories and kilojules, of the three macronutrients in food. If $x$ food calories is equivalent to $k$ kilojules, of the following, which best represents the relationship between $x$ and $k$?
Difficulty: Medium
A:
$k=0.24x$
B:
$k=4.2x$
C:
$x=4.2k$
D:
$xk=4.2$
ID: 6617de22f516d0aa788dfaf0