Sarah had $144 more than Luis. Sarah spent
34 of her money and Luis spent
38 of his money. In the end, Luis and Sarah had the same amount of money left. Find the amount of money Luis had at first.
| |
Sarah |
Luis |
More |
Before |
4x5 =
20 u |
8 u |
12 u |
Change |
- 3x5 =
- 15 u |
- 3 u |
|
After |
1x5 =
5 u |
5 u |
|
Fraction of money that Sarah left
= 1 -
34 =
14 Fraction of money that Luis left
= 1 -
38 =
58 The amount of money that Luis and Sarah had in the end is the same. Make the amount of money that Luis and Sarah had in the end the same. LCM of 1 and 5 is 5.
Amount that Sarah had more than Luis at first
= 20 u - 8 u
= 12 u
12 u = 144
1 u = 144 ÷ 12 = 12
Amount that Luis had at first
= 8 u
= 8 x 12
= $96
Answer(s): $96
