Vanessa had $21 more than Fiona at first. Fiona spent
58 of her money and Vanessa spent
23 of her money. Given that they had equal amount of money left, how many much did Fiona have at first?
| |
Vanessa |
Fiona |
More |
Before |
8x1 =
8 u |
3x3 =
9 u |
1 u |
Change |
- 5x1 =
- 5 u |
- 2x3 =
- 6 u |
|
After |
3x1 =
3 u |
1x3 =
3 u |
|
Fraction of money that Fiona had left
= 1 -
58 =
38 Fraction of money that Vanessa had left
= 1 -
23 =
13 The amount that Vanessa and Fiona had left is the same. Make the amount that Vanessa and Fiona had left is the same. LCM of 3 and 1 is 3.
Amount that Fiona had at first = 8 u
Amount that Vanessa had at first = 9 u
Amount that Vanessa had more than Fiona at first
= 9 u - 8 u
= 1 u
= $21
Amount that Fiona had at first
= 8 u
= 8 x 21
= $168
Answer(s): $168
