Question

Andrew and Sam start counting from 150 to 200 including. Andrew counts by fives, and Sam counts by threes. What is the ratio of the numbers Andrew counts to the numbers Sam counts?

Answer 1

Answer: 11:17

From 150 to 200, there are 11 multiples of fives, and 17 multiples of 3.

The ratio is 11:17.

Answer 2

11/17

Explanation:

The question says to find the ratio by which Andrew counts to the ratio Sam counts.

Andrew counts by 5s:

150,155,160,165,170,175,180,185,190,195,200. His total count is 11

Sam counts by 3s:

150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198. His total number of count is 17

The ratio of their count is 11:17

= 11/17