Charlie and Oliver received a total of $195. After Charlie spent
23 of his money and Oliver spent
56 of his money, Oliver had 2 times as much money as Charlie. How much money did Oliver have at first?
| |
Charlie |
Oliver |
Total |
Before |
3 u |
6x2 =
12 u |
15 u |
Change |
- 2 u |
- 5x2 =
- 10 u |
|
After |
1 u |
1x2 =
2 u |
|
Comparing Charlie
and Oliver in the end |
1 u |
2 u |
|
The amount that Oliver had in the end is the same. Make the amount that Oliver had in the end the same. LCM of 1 and 2 is 2.
Total amount that Oliver and Charlie had at first
= 3 u + 12 u
= 15 u
15 u = 195
1 u = 195 ÷ 15 = 13
Amount that Oliver had at first
= 12 u
= 12 x 13
= $156
Answer(s): $156
