Cindy had $27 more than Irene at first. Irene spent
49 of her money and Cindy spent
12 of her money. Given that they had equal amount of money left, how many much did Irene have at first?
|
Cindy |
Irene |
More |
Before |
9x1 = 9 u |
2x5 = 10 u |
1 u |
Change |
- 4x1 = - 4 u |
- 1x5 = - 5 u |
|
After |
5x1 = 5 u |
1x5 = 5 u |
|
Fraction of money that Irene had left
= 1 -
49 =
59 Fraction of money that Cindy had left
= 1 -
12 =
12 The amount that Cindy and Irene had left is the same. Make the amount that Cindy and Irene had left is the same. LCM of 5 and 1 is 5.
Amount that Irene had at first = 9 u
Amount that Cindy had at first = 10 u
Amount that Cindy had more than Irene at first
= 10 u - 9 u
= 1 u
= $27
Amount that Irene had at first
= 9 u
= 9 x 27
= $243
Answer(s): $243