Question

13. Find the values of x and y in the diagram below.

א

9

13

7

y

3

10

17

Answer 1

x = 2

y = 4

Explanation:

Let's start with the 7 in the middle. Subtract the 1 on its upper left to get 6.

Add the 3 on its lower left to get 10.

so, 3 - x = 1. x = 2

17 - y = 13. y = 4