Jaslyn had $140 more than Cathy. Jaslyn spent 0.8 of her money and Cathy spent 40% of her money. In the end, Jaslyn and Cathy had the same amount of money left. Find the amount of money that Jaslyn had in the end.
| |
Jaslyn |
Cathy |
Comparing Jaslyn
and Cathy at first |
140 more |
|
| Before |
5x3 =
15 u |
5x1 =
5 u |
| Change |
- 4x3 =
- 12 u |
- 2x1 =
- 2 u |
| After |
1x3 =
3 u |
3x1 =
3 u |
0.8 =
810 =
45 40% =
40100 =
25 Jaslyn and Cathy had the same amount of money in the end. Make the amount that each had in the end the same. LCM of 1 and 3 is 3.
Amount that Jaslyn had more than Cathy at first
= 15 u - 5 u
= 10 u
10 u = 140
1 u = 140 ÷ 10 = 14
Amount that Jaslyn had in the end
= 3 u
= 3 x 14
= $42
Answer(s): $42
