Oliver had 4 times as much money as Tom. After Oliver had spent half of his money, he had $23 more than Tom. How much money did Oliver have at first?
| |
Oliver |
Tom |
| Before |
4 u |
1 u |
| Change |
- 2 u |
|
| After |
2 u |
1 u |
Amount that Oliver had after he spent half of his money
= 4 u ÷ 2
= 2 u
Amount that Oliver had more than Tom in the end
= 2 u - 1 u
= 1 u
1 u = 23
Amount that Oliver had at first
= 4 u
= 4 x 23
= $92
Answer(s): $92
