Robert had
14 as much money as Harper at first. After Robert received $174 and Harper received $87, both of them had the same amount of money. How much did Harper have at first?
| |
Robert |
Harper |
| Before |
1 u |
4 u |
| Change |
+ 174 |
+ 87 |
| After |
1 u + 174 |
4 u + 87 |
The amount that Robert and Harper had in the end is the same.
1 u + 174 = 4 u + 87
4 u - 1 u = 174 - 87 = 87
3 u = 87
1 u = 87 ÷ 3 = 29
Amount that Harper had at first
= 4 u
= 4 x 29
= $116
Answer(s): $116
