Emily and Mark had the same amount of savings at first. Then Emily spent
15 of her savings and Mark spent
23 of his savings. If Emily spent $1729 less than Mark, how much did each of them have at first?
| |
Emily |
Mark |
| Before |
5x3 =
15 u |
3x5 =
15 u |
| Change |
1x3 =
- 3 u |
2x5 =
- 10 u |
| After |
12 u |
5 u |
The amount that Emily and Mark had at first is the same. Make the amount that Emily and Mark each had the same. LCM of 5 and 3 is 15.
Amount that Emily spent less than Mark
= 10 u - 3 u
= 7 u
7 u = 1729
1 u = 1729 ÷ 7 = 247
Amount that each of them had at first
= 15 u
= 15 x 247
= $3705
Answer(s): $3705
