Gwen had $20 more than Kimberly at first. Kimberly spent
59 of her money and Gwen spent
35 of her money. Given that they had equal amount of money left, how many much did Kimberly have at first?
| |
Gwen |
Kimberly |
More |
Before |
9x1 =
9 u |
5x2 =
10 u |
1 u |
Change |
- 5x1 =
- 5 u |
- 3x2 =
- 6 u |
|
After |
4x1 =
4 u |
2x2 =
4 u |
|
Fraction of money that Kimberly had left
= 1 -
59 =
49 Fraction of money that Gwen had left
= 1 -
35 =
25 The amount that Gwen and Kimberly had left is the same. Make the amount that Gwen and Kimberly had left is the same. LCM of 4 and 2 is 4.
Amount that Kimberly had at first = 9 u
Amount that Gwen had at first = 10 u
Amount that Gwen had more than Kimberly at first
= 10 u - 9 u
= 1 u
= $20
Amount that Kimberly had at first
= 9 u
= 9 x 20
= $180
Answer(s): $180
