The Reeds are moving across the country. Mr. Reed leaves 4.5 hours before Mrs. Reed. If he averages 40mph and she averages 60mph

Question

3 years ago

8

, how many hours will it take Mrs. Reed to catch up to Mr. Reed?

1 answer:

Setler79 [48] · Answer 1 · 2022-11-12T09:55:46+03:00

3 0

Mr. Reed DATA:

rate = 40 mph ; time = x 4.5 hrs ; distance = 40x miles

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Mrs. Reed DATA:

rate = 60 mph ; time = x hrs ; distance = 60x - 210 miles

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Equation:

40x = 60x -210

-20x = -210

x = 10.5 hrs

x-3.5 = 7 hrs (Mr. Reed's time)