Will and Ken received a total of $644. After Will spent
78 of his money and Ken spent
45 of his money, Ken had 4 times as much money as Will. How much money did Ken have at first?
| |
Will |
Ken |
Total |
Before |
8 u |
5x4 =
20 u |
28 u |
Change |
- 7 u |
- 4x4 =
- 16 u |
|
After |
1 u |
1x4 =
4 u |
|
Comparing Will
and Ken in the end |
1 u |
4 u |
|
The amount that Ken had in the end is the same. Make the amount that Ken had in the end the same. LCM of 1 and 4 is 4.
Total amount that Ken and Will had at first
= 8 u + 20 u
= 28 u
28 u = 644
1 u = 644 ÷ 28 = 23
Amount that Ken had at first
= 20 u
= 20 x 23
= $460
Answer(s): $460
