# Intelligent Math Puzzle – Challenge 89

This mind-blowing mathematics and critical thinking challenge is not for the faint at heart—or mind. Can you solve it?

## Challenge:

In the figure above, A, B, and C represent different digits. What is the value of B + C?

A- 8

B- 11

C- 15

D- 17

E- 18

$11.99 Satisfied 123 Students The correct answer is C. In this problem, we can write a system of three equations and three variables. Let’s review the equations. A + B + C = 9 or 19 A + A + C = 5 or 15 A + A + A = 13 or 12 3A cannot be 13. Therefore, 3A = 12 ⇒ A = 4 We can also conclude that in the second equation: A + A + C = 15 ⇒ 2A + C = 15 ⇒ C = 7 Or A + A + C = 16 (1 may added from the first column) C = 6 Try different values for the first equation: A + B + C = 9 or 19 If A = 4 and C = 6 ⇒ B = 9 If A = 4 and C = 7 ⇒ B = 8 B + C = 15 ### More math articles ### What people say about "Intelligent Math Puzzle - Challenge 89"? No one replied yet. X 30% OFF Limited time only! Save Over 30% SAVE$5

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