Gillian had $30 more than Sabrina at first. Sabrina spent
49 of her money and Gillian spent
12 of her money. Given that they had equal amount of money left, how many much did Sabrina have at first?
| |
Gillian |
Sabrina |
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 Sabrina had left
= 1 -
49 =
59 Fraction of money that Gillian had left
= 1 -
12 =
12 The amount that Gillian and Sabrina had left is the same. Make the amount that Gillian and Sabrina had left is the same. LCM of 5 and 1 is 5.
Amount that Sabrina had at first = 9 u
Amount that Gillian had at first = 10 u
Amount that Gillian had more than Sabrina at first
= 10 u - 9 u
= 1 u
= $30
Amount that Sabrina had at first
= 9 u
= 9 x 30
= $270
Answer(s): $270
