Question

Judah rides his bike 15 miles in 1/2 an hour. How many miles does he ride in one hour?

Answer 1

30 miles

Explanation:

multiply 15 miles by 2 and 1/2 by 2 to get 30 miles an hour.

Answer 2

30

Explanation:

15=30

x=60

cross multiply

30×x=60×15

30x=900

x=30

so Judah rides his bike 30 miles in one hour