Question

question 5 (1 point)
what is the gear ratio of a 60:12 tooth gear train?

a 3:1
b 5:1
c 1:1
d 2:1

Explanation:

Step1: Simplify the ratio

To simplify the ratio 60:12, divide both numbers by their greatest - common divisor. The GCD of 60 and 12 is 12.
$\frac{60}{12}:\frac{12}{12}$

Step2: Calculate the simplified ratio

$60\div12 = 5$ and $12\div12 = 1$, so the ratio is 5:1.

Answer:

B. 5:1