Jean had $170 more than Andy. Jean spent
23 of her money and Andy spent
47 of his money. In the end, Andy and Jean had the same amount of money left. Find the amount of money Andy had at first.
| |
Jean |
Andy |
More |
Before |
3x3 =
9 u |
7 u |
2 u |
Change |
- 2x3 =
- 6 u |
- 4 u |
|
After |
1x3 =
3 u |
3 u |
|
Fraction of money that Jean left
= 1 -
23 =
13 Fraction of money that Andy left
= 1 -
47 =
37 The amount of money that Andy and Jean had in the end is the same. Make the amount of money that Andy and Jean had in the end the same. LCM of 1 and 3 is 3.
Amount that Jean had more than Andy at first
= 9 u - 7 u
= 2 u
2 u = 170
1 u = 170 ÷ 2 = 85
Amount that Andy had at first
= 7 u
= 7 x 85
= $595
Answer(s): $595
