Anna had $275 more than Risa. Anna spent 0.6 of her money and Risa spent 10% of her money. In the end, Anna and Risa had the same amount of money left. Find the amount of money that Anna had in the end.
| |
Anna |
Risa |
Comparing Anna
and Risa at first |
275 more |
|
| Before |
5x9 =
45 u |
10x2 =
20 u |
| Change |
- 3x9 =
- 27 u |
- 1x2 =
- 2 u |
| After |
2x9 =
18 u |
9x2 =
18 u |
0.6 =
610 =
35 10% =
10100 =
110 Anna and Risa had the same amount of money in the end. Make the amount that each had in the end the same. LCM of 2 and 9 is 18.
Amount that Anna had more than Risa at first
= 45 u - 20 u
= 25 u
25 u = 275
1 u = 275 ÷ 25 = 11
Amount that Anna had in the end
= 18 u
= 18 x 11
= $198
Answer(s): $198
