Elijah had
25 as many erasers as Shannon. After Elijah gave away 55 erasers, he had 73 less erasers than Shannon. How many erasers did Shannon have?
| |
Elijah |
Shannon |
| Before |
2 u |
5 u |
| Change |
- 55 |
|
| After |
2 u - 55 |
5 u |
Shannon had 73 more erasers than Elijah in the end. So, if Elijah had another 73 erasers, he would have the same number of erasers as Shannon.
5 u = 2 u - 55 + 73
5 u - 2 u = 73 - 55
3 u = 18
1 u = 18 ÷ 3 = 6
Number of erasers that Shannon had at first
= 5 u
= 5 x 6
= 30
Answer: 30
