Yesterday, Eric had 24 more erasers than Warren. Today, Eric gave Warren
35 of his erasers. As a result, he has half as many erasers as Warren now. How many erasers did Eric have yesterday?
| |
Eric |
Warren |
More |
| Before |
5 u |
1 u |
4 u |
| Change |
- 3 u |
+ 3 u |
|
| After |
2 u |
4 u |
|
Comparing Eric and
Warren in the end |
1
|
2
|
|
Number of erasers that Warren has now
= 2 x 2 u
= 4 u
Number of erasers that Eric had more than Warren yesterday
= 5 u - 1 u
= 4 u
4 u = 24
1 u = 24 ÷ 4 = 6
Number of erasers that Eric had yesterday
= 5 u
= 5 x 6
= 30
Answer(s): 30
