Question

Sam is 5 years old. His older brother Tom, is three times as old as Sam. When Sam is 20, how old will Tom be?

Answer 1

60

Explanation:

Sam is 5, Tom is 3 times as old, 5 times three is 15, so tom is 15, 20 is 4 times 5, so you take 15, and multiply it by 4, and that's your answer