# Two gears

The two gears fit together. The larger gear has 32 teeth, the smaller has 20 teeth less. How many times does turn a smaller gear if the bigger gear turns three times?

Result

n2 =  8

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

Do you want to convert length units?

## Next similar examples:

1. Flowerbed
In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?
2. Mine
Wheel in traction tower has a diameter 5 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 49 times?
3. Wheel
How many times turns the wheel of a passenger car in one second if car run at speed 100 km/h. Wheel diameter is d = 62 cm.
4. Well
Rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter 50 cm. How many meters will drop bucket when the wheels turn 15 times?
5. Two circles
Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles?
6. Wheel
What is the wheel diameter if on the 0.38 km track turns 128 times?
7. Athlete
How long length run athlete when the track is circular shape of radius 120 meters and an athlete runs five times in the circuit?
8. Bicycle wheel
After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
9. Circle r,D
Calculate the diameter and radius of the circle if it has length 52.45 cm.
10. Circle
What is the radius of the circle whose perimeter is 6 cm?
11. Base
Base of building is circle with diameter 25 m. Calculate the circumference of a circular trench witch diameter is 41 cm wider than the diameter of the base.
12. Circle - simple
Calculate the area of a circle in dm2, if its circumference is 31.4 cm.
13. Clock
How long is trajectory of second hand of hours for day, if is 15 mm long?
14. Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day?
15. Circle - simple
The circumference of a circle is 930 mm. How long in mm is its diameter?
16. Circumference - a simple
What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places.
17. Trees
A young tree is 16 inches tall. One year later, it is 20 inches tall. What is the percent increase in height?