Question

It took Trinh 4 hours to ride her bicycle 48 miles. Assuming she rode at a constant speed, how many miles did she ride per hour?​

Answer 1

12 mph

4/48=x/1
4(1)=48x
x=12

Answer 2

12 mph

Explanation:

per means divided by so

48 miles / 4 hour

12 m/h