Tina has some stickers. She has 13 less stickers in Box X than in Box Y. After 17 stickers were transferred from Box Y to Box X, there were 69 stickers in Box Y.
- How many stickers were there in Box Y at first?
- How many stickers were there in Box X in the end?
|
Box X |
Box Y |
Before |
1 u |
1 u + 13 |
Change |
+ 17 |
- 17 |
After |
1 u + 17 |
69 |
(a)
Number of stickers in Box Y at first
= 69 + 17
= 86
(b)
Number of stickers in Box X at first
= 86 - 13
= 73
Number of stickers in Box X in the end
= 73 + 17
= 90
Answer(s): (a) 86; (b) 90