Andy and Charlie received a total of $231. After Andy spent
45 of his money and Charlie spent
34 of his money, Charlie had 4 times as much money as Andy. How much money did Charlie have at first?
| |
Andy |
Charlie |
Total |
Before |
5 u |
4x4 =
16 u |
21 u |
Change |
- 4 u |
- 3x4 =
- 12 u |
|
After |
1 u |
1x4 =
4 u |
|
Comparing Andy
and Charlie in the end |
1 u |
4 u |
|
The amount that Charlie had in the end is the same. Make the amount that Charlie had in the end the same. LCM of 1 and 4 is 4.
Total amount that Charlie and Andy had at first
= 5 u + 16 u
= 21 u
21 u = 231
1 u = 231 ÷ 21 = 11
Amount that Charlie had at first
= 16 u
= 16 x 11
= $176
Answer(s): $176
