Nick had
25 as many erasers as Gillian. After Nick gave away 75 erasers, he had 96 less erasers than Gillian. How many erasers did Gillian have?
| |
Nick |
Gillian |
| Before |
2 u |
5 u |
| Change |
- 75 |
|
| After |
2 u - 75 |
5 u |
Gillian had 96 more erasers than Nick in the end. So, if Nick had another 96 erasers, he would have the same number of erasers as Gillian.
5 u = 2 u - 75 + 96
5 u - 2 u = 96 - 75
3 u = 21
1 u = 21 ÷ 3 = 7
Number of erasers that Gillian had at first
= 5 u
= 5 x 7
= 35
Answer: 35
