Question

Correct answers only please!

If you have changed the tires on your car, the original diameter is 24.5 inches. to a new diameter of 26 inches, how fast are you actually going if your speedometer is reading 53 mph?

A. 50.5 mph

B. 53 mph

C. 56.2 mph

D. 62.8 mph

Answer 1

C. 56.2 is correct

Explanation:

24.5x = 1378

x =56.24 mph

Answer 2

c). 56.2 mph

Explanation:

So if the car change a bigger diameter gives the tire a bigger circumference, which means the car is faster that actually speedometer reading

Using relation between the diameter and speed mph:

24.5 ⇒ 53

26 ⇒ S

`24.5 *s = 26*53 \\s= (1378)/(24.5) = 56.25 \\s= 56.25` mph ≅ 56.25 mph