Owen had
35 as many erasers as Abi. After Owen gave away 74 erasers, he had 100 less erasers than Abi. How many erasers did Abi have?
|
Owen |
Abi |
Before |
3 u |
5 u |
Change |
- 74 |
|
After |
3 u - 74 |
5 u |
Abi had 100 more erasers than Owen in the end. So, if Owen had another 100 erasers, he would have the same number of erasers as Abi.
5 u = 3 u - 74 + 100
5 u - 3 u = 100 - 74
2 u = 26
1 u = 26 ÷ 2 = 13
Number of erasers that Abi had at first
= 5 u
= 5 x 13
= 65
Answer: 65