Marissa ran 8 miles in 42 minutes. Which other runner ran at about the same rate?

A. Micah ran 3.5 miles in 20 minutes

B. Mia ran 4.8 miles in 25.2 minutes

C. Maurice ran 18 miles from in 52 minutes

D. Mesemba ran 2 miles in 21 minutes

The answer would be B (Mia ran 4.8 miles in 25.2 minutes)

Step-by-step explanation: Divide 42 by 8 to get 5.25. This means it took Marissa 5.25 minutes to run one mile. Now, divide 25.2 by 4.8 to get 5.25. This means it also took Mia 5.25 minutes to run one mile.

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i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have