Luke and Bobby received a total of $600. After Luke spent
56 of his money and Bobby spent
56 of his money, Bobby had 4 times as much money as Luke. How much money did Bobby have at first?
| |
Luke |
Bobby |
Total |
Before |
6 u |
6x4 =
24 u |
30 u |
Change |
- 5 u |
- 5x4 =
- 20 u |
|
After |
1 u |
1x4 =
4 u |
|
Comparing Luke
and Bobby in the end |
1 u |
4 u |
|
The amount that Bobby had in the end is the same. Make the amount that Bobby had in the end the same. LCM of 1 and 4 is 4.
Total amount that Bobby and Luke had at first
= 6 u + 24 u
= 30 u
30 u = 600
1 u = 600 ÷ 30 = 20
Amount that Bobby had at first
= 24 u
= 24 x 20
= $480
Answer(s): $480
