Mashaal Masha
For a training program, Juan rides his bike at an average rate of 5.7 minutes per mile. Which function $m$ models the number of minutes it will take Juan to ride $x$ miles at this rate?
Difficulty: Easy
A: 

$m(x)=\frac{x}{5.7}$

B: 

$m(x)=x+5.7$

C: 

$m(x)=x-5.7$

D: 

$m(x)=5.7x$

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