Winnie had $231 more than Xandra. Winnie spent 0.8 of her money and Xandra spent 25% of her money. In the end, Winnie and Xandra had the same amount of money left. Find the amount of money that Winnie had in the end.
| |
Winnie |
Xandra |
Comparing Winnie
and Xandra at first |
231 more |
|
| Before |
5x3 =
15 u |
4x1 =
4 u |
| Change |
- 4x3 =
- 12 u |
- 1x1 =
- 1 u |
| After |
1x3 =
3 u |
3x1 =
3 u |
0.8 =
810 =
45 25% =
25100 =
14 Winnie and Xandra 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 Winnie had more than Xandra at first
= 15 u - 4 u
= 11 u
11 u = 231
1 u = 231 ÷ 11 = 21
Amount that Winnie had in the end
= 3 u
= 3 x 21
= $63
Answer(s): $63
