Emma had $22 less than Risa at first. After Risa and Emma spent an equal amount of money, Emma had
57 as much as Risa. How much money did Emma have left?
| |
Emma |
Risa |
Difference |
| Before |
1 u |
1 u + $22 |
$22 |
| Change |
- 1 |
- 1 |
|
| After |
5 p |
7 p |
2 p |
Difference in the amounts between Risa and Emma
= 7 p - 5 p
= 2 p
Since both Risa and Emma spent an equal amount, the difference in the amounts that Risa and Emma had at first and in the end remains unchanged.
2 p = 22
1 p = 22 ÷ 2 = 11
Amount that Emma had left
= 5 p
= 5 x 11
= $55
Answer(s): $55
