Elyse had $209 less than Cathy. Cathy spent 0.8 of her money and Elyse spent 25% of her money. In the end, Cathy and Elyse had the same amount of money left. Find the amount of money that Cathy had at first.
| |
Elyse |
Cathy |
Comparing Cathy
and Elyse at first |
|
209 more |
| Before |
4x1 =
4 u |
5x3 =
15 u |
| Change |
- 1x1 =
- 1 u |
- 4x3 =
- 12 u |
| After |
3x1 =
3 u |
1x3 =
3 u |
0.8 =
810 =
45 25% =
25100 =
14 Elyse 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 Elyse had less than Cathy at first
= 15 u - 4 u
= 11 u
11 u = 209
1 u = 209 ÷ 11 = 19
Amount that Cathy had at first
= 15 u
= 15 x 19
= $285
Answer(s): $285
