3 years ago

Andy drove 840 miles in 12 hours. How far could he drive in 3 hours

2 answers:

7 0

210 miles in 3 hours

4 0

840mi. - 12 hrs
x - 3 hrs
This is a simple cross multiplying problem.
840 _ 12
x -- 3 ⇒12x=3(840) ⇒ 4x=280 ⇒ x=70 miles
:D

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