Yesterday, Valen had 56 more erasers than Charlie. Today, Valen gave Charlie
58 of his erasers. As a result, he has half as many erasers as Charlie now. How many erasers did Valen have yesterday?
|
Valen |
Charlie |
More |
Before |
8 u |
1 u |
7 u |
Change |
- 5 u |
+ 5 u |
|
After |
3 u |
6 u |
|
Comparing Valen and Charlie in the end |
1
|
2
|
|
Number of erasers that Charlie has now
= 2 x 3 u
= 6 u
Number of erasers that Valen had more than Charlie yesterday
= 8 u - 1 u
= 7 u
7 u = 56
1 u = 56 ÷ 7 = 8
Number of erasers that Valen had yesterday
= 8 u
= 8 x 8
= 64
Answer(s): 64