SOLUTION: How many feet does a wheel with a diameter of 13 inches travel after four ​revolutions? I'm unsure of how to start this?

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Question 1071467: How many feet does a wheel with a diameter of 13 inches travel after four ​revolutions?
I'm unsure of how to start this?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
1%261%2F12 feet diameter wheel.

1 revolution is 1 circumference.
1 circumference is 2%2Api%2A%2813%2F%282%2A12%29%29=highlight_green%28%2813%2F12%29pi%29 feet.

4 revolutions?
cross%284%2A%2813%2F6%29pi%29 feet
4%2A%2813%2F12%29pi%29+feet%0D%0A%7B%7B%7Bcross%2826pi%2F3%29 feet.
highlight%28%2813%2F3%29pi%29 feet

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
How many feet does a wheel with a diameter of 13 inches travel after four ​revolutions?
I'm unsure of how to start this?
Circumference of wheel =  1 revolution

Circumference of wheel: pi+%2A+D, with D being diameter

With diameter, in feet, being: 13%2F12, and with 4 revolutions, or 4 circumferences, we get: 

Ignore all other INCORRECT answers!