# Algebra Puzzle – Challenge 47

Try using critical thinking challenges to help you or your student improve strategic thinking and logic skills.

## Challenge:

In 2013, the product of the ages (in integers) of a father and his son is 2013. What is the difference of their ages in 2015?

A- 20

B- 24

C- 28

D- 30

E- 32

$11.99 Satisfied 123 Students The correct answer is C. Find the factors of 2013: 1, 3, 11, 33, 61, 671, 2013 From all the factors of 2013, only 33 and 61 could be the ages of a father and his son. (The product of two ages should be 2013) The difference of 61 and 33 is 28 years and this number won’t change in 2015! ### More math articles ### What people say about "Algebra Puzzle - Challenge 47"? No one replied yet. X 30% OFF Limited time only! Save Over 30% SAVE$5

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