Question

Bicycles in the late 1800s looked very different than they do today.
There's a larger tire with a diameter of 60 in and a smaller tire with a radius of 9 in.
How many rotations does each tire make after traveling 600 feet? Round your answers to the nearest whole number.

The smaller tire makes approx. how many rotations?
The larger tire makes approx. how many rotations?

Answer 1

Forgot to add the answers I came up with:
Smaller tire: 38
Larger tire: 127

Answer 2

My grandfather rode a bike like that.

C = pi * d

Larger tire:

C = 3.14 * 60
C = 188.4 inches = 15.7 feet

600 / 15.7 = 38 rotations

Do the same for the smaller tire. Note that its diameter is 18 inches.

Answer 3

Josh, your numerical answers are correct, except it is the smaller wheel that would have to make 127 rotations to the 38 rotations of the larger wheel.

Answer 4

eth

Answer 5

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Answer 6

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Answer 7

I do not get this at all. I was in math class today and i cannot figure out the rotations/The proccess to find it.

Answer 8

its the other way around btw

Answer 9

You Suck a lot with rotations

Answer 10

It wasn't correct

Answer 11

I did the same as miss sue, but I got 150 for the for the smaller tire, is this correct? 3.14 x 18
56.52 inches = 4.71 ft
600/4.71 = 150

Answer 12

no bc you should multiply 3.14 and 60 not 18