# Math

posted by .

A bicycle has a 100 cm diameter wheel. If you ride on and around a circle with a 10 km diameter 12 times, how many revolutions does the wheel make?

• Math -

find the circumference of the wheel.

Find the circumference of the circuit, multiply it by 12 , then divide by the circumference of the wheel

change everything to metres. Since you are in the metric system, this is very easy to do.

## Similar Questions

1. ### MATH!!!

To measure the length of a hiking trail, a worker uses a device with a 2-foot diameter wheel that counts the number of revolutions of wheel makes. If the device reads 1,100.5 revolutions at the end of the trail, how many miles long …
2. ### Math

A bicycle wheel is 30 inches in diameter. a. to the nearest revolution, how many times will the wheel turn if the bicycle is ridden for 3 miles. b. suppose the wheel turns at a constant rate of 2.75 revolutions per second. What is …
3. ### Math

A bicycle wheel is 30 inches in diameter. a. To the nearest revolution,how many times will the wheel turn if the bicycle is ridden for 3 miles?
4. ### Geometry

The wheel of an adult's bicycle has diameter 26 in. The wheel of a child's bicycle has diameter 18 in. To the nearest inch, how much farther does the larger bicycle wheel travel in one revolution than the smaller bicycle wheel?
5. ### Trigonometry

A bicycle with a 26-inch wheel(diameter) travels a distance of 700 feet. How many revolutions does the wheel make?
6. ### Math

Juan races his bicycle for 196ft a wheel of his bicycle turns 28 times as the bicycle travels this distance. What is the diameter of the wheel?
7. ### math

One wheel has a diameter of 30 inches and a second wheel has a diameter of 20 inches. The first wheel traveled a certain distance in 240 revolutions. In how many revolutions did the second wheel travel the same distance?
8. ### math

The diameter of a bicycle wheel is 65cm. How far does the bicycle go in 20 revolutions of the wheel
9. ### math

If the wheel of a bicycle has a diameter of 60cm, calculate how far a cyclist will have travelled after the wheel has rotated 100 times.
10. ### math

The diameter of Sheree's bicycle wheel is 0.705 m. Caculate how many turns the bicycle wheel will make if she rides the bicycle 1 km. So far I've found out that the circumference of the wheel is C=πd =3.14(0.705) =2.2137 m

More Similar Questions