Question

How far can John run in 60 minutes if he can cover 9 miles in 90?

Answer 1

Let the distance John covers in 60 minutes be x.

\(\frac{9}{90} = \frac{x}{60}\)

Cross-multiply.

90x = 9 x 60

x = \(\frac{9 \times 60}{90}\)

x = 6

Therefore, John can run 6 miles in an hour.