Question

A car travels 3 hours at 50 mph. Then it slows down to 40 mph for the next 7
hours. How many miles does it travel during the 10 hours?

Answer 1

Distance = rate * time. You know both the rate and the time for each leg. Figure out the distance for each leg, and add them together.

Answer 2

My 9 year old kid just solved it in his head :-)

Answer 3

\[(50 * 3) + (40 * 7) = ?\]

Answer 4

thnk u