Lucy had $156 more than Luis. Lucy spent
23 of her money and Luis spent
49 of his money. In the end, Luis and Lucy had the same amount of money left. Find the amount of money Luis had at first.
| |
Lucy |
Luis |
More |
Before |
3x5 =
15 u |
9 u |
6 u |
Change |
- 2x5 =
- 10 u |
- 4 u |
|
After |
1x5 =
5 u |
5 u |
|
Fraction of money that Lucy left
= 1 -
23 =
13 Fraction of money that Luis left
= 1 -
49 =
59 The amount of money that Luis and Lucy had in the end is the same. Make the amount of money that Luis and Lucy had in the end the same. LCM of 1 and 5 is 5.
Amount that Lucy had more than Luis at first
= 15 u - 9 u
= 6 u
6 u = 156
1 u = 156 ÷ 6 = 26
Amount that Luis had at first
= 9 u
= 9 x 26
= $234
Answer(s): $234
