Anthony is riding in a race. The equation d=40-1/5m, where d = distance in miles and m = minutes, can be used to estimate the number of miles anthony has left before reaching the finish line. How many minutes had anthony been riding when he was 31 miles from the finish line?

Question

Quinten

12 May, 11:54

+4

Answers (1)

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Belinda Banks · Answer 1

45 minutes.

Step-by-step explanation:

d = 40 - 1/5m

When d = 31 we have:

31 = 40 - 1/5 m

1/5 m = 40 - 31 = 9

m = 9*5

= 45 minutes answer.