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?
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7
Answer:
the truck have traveled 112 Inches
Step-by-step explanation:
Let say back wheel had made = R revolutions
then Front Wheel has made = R + 12 Revolutions
The back wheels are 7 inches in circumference
=> Distance Covered by Back wheel = 7R
The front wheels of a toy truck are 4 inches in circumference
=> Distance Covered by Front wheel = 4(R + 12)
7R = 4(R + 12)
=> 7R = 4R + 48
=> 3R = 48
=> R = 16
Distance Covered = 7R = 7 * 16 = 112 Inches
the truck have traveled 112 Inches
Answered by
0
7R
7*16
112 inches
(R = 16)
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