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The front wheels of a toy truck are 4 inches in circumferenc
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04 Feb 2020, 08:14
04 Feb 2020, 08:14
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Question Stats:
54% (02:37) correct
45% (02:49) wrong based on 11 sessions
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The front wheels of a toy truck are 4 inches in circumference. The back wheels are 7 inches in circumference. If the truck travels in a straight line without slippage, how many inches will the truck have traveled when the front wheels have made 12 more revolutions than the back wheels?
(A) 112
(B) 64
(C) 48
(D) 36
(E) 28
(A) 112
(B) 64
(C) 48
(D) 36
(E) 28
Re: The front wheels of a toy truck are 4 inches in circumferenc
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04 Feb 2020, 13:20
04 Feb 2020, 13:20
1
Expert Reply
Rear wheels = 7R
Front = 4(R+12)
7R=4(R+12)
R=16
7*16=112
A is the answer
Front = 4(R+12)
7R=4(R+12)
R=16
7*16=112
A is the answer
gmatclubot
Re: The front wheels of a toy truck are 4 inches in circumferenc [#permalink]
04 Feb 2020, 13:20
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