Question

The ratio of a to b is 3:5. The ratio of c to d is 1:6. What is the ratio of ac to bd?

Answer 1

A.

Explanation:

a/b = 3:5 = 3/5

c/d = 1:6 = 1/6

So if you want ac to bd you would get

3 * 1

-------

5 * 6

3 / 30 = 1/10