Yesterday, Gabriel had 55 more erasers than John. Today, Gabriel gave John
47 of his erasers. As a result, he has half as many erasers as John now. How many erasers did Gabriel have yesterday?
| |
Gabriel |
John |
More |
| Before |
7 u |
2 u |
5 u |
| Change |
- 4 u |
+ 4 u |
|
| After |
3 u |
6 u |
|
Comparing Gabriel and
John in the end |
1
|
2
|
|
Number of erasers that John has now
= 2 x 3 u
= 6 u
Number of erasers that Gabriel had more than John yesterday
= 7 u - 2 u
= 5 u
5 u = 55
1 u = 55 ÷ 5 = 11
Number of erasers that Gabriel had yesterday
= 7 u
= 7 x 11
= 77
Answer(s): 77
