Zeph had 3 times as much money as Oliver. After Zeph had spent one-third of his money, he had $45 more than Oliver. How much money did Zeph have at first?
| |
Zeph |
Oliver |
| Before |
3 u |
1 u |
| Change |
- 1 u |
|
| After |
2 u |
1 u |
Amount that Zeph had after he spent one-third of his money
= 3 u ÷ 3
= 1 u
Amount that Zeph had more than Oliver in the end
= 2 u - 1 u
= 1 u
1 u = 45
Amount that Zeph had at first
= 3 u
= 3 x 45
= $135
Answer(s): $135
