Yesterday, Owen had 84 more erasers than Oscar. Today, Owen gave Oscar
58 of his erasers. As a result, he has half as many erasers as Oscar now. How many erasers did Owen have yesterday?
|
Owen |
Oscar |
More |
Before |
8 u |
1 u |
7 u |
Change |
- 5 u |
+ 5 u |
|
After |
3 u |
6 u |
|
Comparing Owen and Oscar in the end |
1
|
2
|
|
Number of erasers that Oscar has now
= 2 x 3 u
= 6 u
Number of erasers that Owen had more than Oscar yesterday
= 8 u - 1 u
= 7 u
7 u = 84
1 u = 84 ÷ 7 = 12
Number of erasers that Owen had yesterday
= 8 u
= 8 x 12
= 96
Answer(s): 96