Question

It takes Carol 45 minutes to drive to work using two roads. She drives 24 mph on a small road for hour. Then she drives 56 mph on a highway for hour. How far does Carol travel to work?

Answer 1

She travels 30 miles for work.

Given,

Total time = 45 minutes

Speed on small world = 32mph

Time on small world = 1/2 hour

Distance = Speed * time =

Distance on small world = 16 miles

Speed on small road = 56mph

Time on small road = 1/4 hour

Distance on small road =

Distance on small road = 14 miles

Total distance = Distance on small world + Distance on small road

Total distance = 16+14= 30 miles

She travels 30 miles for work.

Keywords: Distance, speed

Explanation: