Julie had $24 more than Mary at first. Mary spent
25 of her money and Julie spent
12 of her money. Given that they had equal amount of money left, how many much did Mary have at first?
| |
Julie |
Mary |
More |
Before |
5x1 =
5 u |
2x3 =
6 u |
1 u |
Change |
- 2x1 =
- 2 u |
- 1x3 =
- 3 u |
|
After |
3x1 =
3 u |
1x3 =
3 u |
|
Fraction of money that Mary had left
= 1 -
25 =
35 Fraction of money that Julie had left
= 1 -
12 =
12 The amount that Julie and Mary had left is the same. Make the amount that Julie and Mary had left is the same. LCM of 3 and 1 is 3.
Amount that Mary had at first = 5 u
Amount that Julie had at first = 6 u
Amount that Julie had more than Mary at first
= 6 u - 5 u
= 1 u
= $24
Amount that Mary had at first
= 5 u
= 5 x 24
= $120
Answer(s): $120
