Lee had 117 erasers more than Harry at first. After Lee had given away 181 of his erasers to Riordan, Harry had five times as many erasers as Lee. Find the number of erasers Lee had at first.
| |
Lee |
Harry |
Comparing between
Lee and Harry |
117 more |
|
| Before |
1 u + 181 |
5 u |
| Change |
- 181 |
|
| After |
1 u |
5 u |
Lee had 117 erasers more than Harry at first.
If 117 more marbles is given to Harry at first, both will have the same number of marbles.
5 u + 117 = 1 u + 181
5 u - 1 u = 181 - 117
4 u = 64
1 u = 64 ÷ 4 = 16
Number of erasers that Lee has at first
= 1 u + 181
= 16 + 181
= 197
Answer(s): 197
