There are 95 stickers in Box Q and 25 stickers in Box R.
Some stickers are transferred from Box Q to Box R.
Box Q has 20 more stickers than Box R.
How many stickers are transferred from Box Q to Box R?
|
Box Q |
Box R |
Before |
95 |
25 |
Change |
- ? |
+ ? |
After |
1 u + 20 |
1 u |
Total number of stickers
= 95 + 25
= 120
Total number of stickers in the end = 1 u + 20 + 1 u = 2 u + 20
The total number of stickers at first and in the end remains unchanged.
2 u + 20 = 120
2 u = 120 - 20 = 100
1 u = 100 ÷ 2 = 50
Number of stickers that are transferred from Box Q to Box R
= Number of stickers in Box R in the end - Number of stickers in Box R at first
= 50 - 25
= 25
Answer(s): 25