Rafael runs 5 miles in 38 minutes minutes. At the same rate, how many miles would he run in 57 minutes?

1 answer

To find out how many miles Rafael would run in 57 minutes, we can set up a proportion.

Since he runs 5 miles in 38 minutes, we can let x be the number of miles he would run in 57 minutes. Thus, the proportion is:

5 miles / 38 minutes = x miles / 57 minutes

To solve for x, we can cross-multiply and divide:

38 minutes * x miles = 5 miles * 57 minutes
38x = 285
x = 7.5

Therefore, Rafael would run 7.5 miles in 57 minutes.