Question

A car travels 2/5 mile in 1/2 minute . What is the car’s speed in miles per hour? Explain how you determined your answer

Answer 1

48%28mil%2Fh%29

Explanation:

if car travels %282%2F5%29mil%2F%281%2F2%29min =>2%282%2F5%29%28mil%2Fmin%29=%284%2F5%29%28mil%2Fmin%29

since 1h=60min multiply %284%2F5%29mil by 60 to get the number of miles per hour %284%2Fcross%285%29%29cross%2860%2912%28mil%2Fh%29=4%2A12%28mil%2Fh%29=48%28mil%2Fh%29

Answer 2

48 miles

Explanation:

1h = 60m

`(1)/(2)`m ---
`(2)/(5)`miles

0.5m ---
`(2)/(5)`miles

60m ---
`(60)/(0.5)` ×
`(2)/(5)`miles

= 48 miles