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受欢迎的 Word Problems >

Joe went for a drive in her new car. She drove for 142.5 miles at a speed of 57 mph. For how many hours did she drive?

解答

J oe w e n t f or a d r i v e in h er n e w c a r . S h e d ro v e f or 142.5 mi l es a t a s p ee d o f 57 m p h . F or h o w man y h o u rs d i d s h e d r i v e ?

解答

time : 2.5

求解步骤

Translate the problem into an equation:

142.5 = 57 x

求解

x, 142.5 = 57 x : x = 2.5

time : 2.5

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