The tires of a car have 25in diameter to the nearest tenth, how many revolutions does each tire make in a mile
5280 ft = 1 mile
5280 * 12 = 63,360 inches
63,360 / 25 = ?
To find the number of revolutions a tire makes in a mile, we need to know the circumference of the tire. The formula to calculate the circumference of a circle is:
Circumference = π * Diameter
Given that the diameter of the tires is 25 inches, we can calculate the circumference:
Circumference = π * 25 inches
However, we need to remember to use π rounded to the nearest tenth. π is approximately 3.14.
Circumference = 3.14 * 25 inches
Circumference ≈ 78.5 inches
Now we need to calculate how many tire revolutions are needed to cover one mile. One mile is equivalent to 63,360 inches (since there are 12 inches in a foot and 5,280 feet in a mile).
Number of revolutions = Mile distance / Circumference
Number of revolutions = 63,360 inches / 78.5 inches
Number of revolutions ≈ 807.32 revolutions
Therefore, each tire makes approximately 807.32 revolutions in a mile.