Cathy had $22 less than Gabby at first. After Gabby and Cathy spent an equal amount of money, Cathy had
35 as much as Gabby. How much money did Cathy have left?
| |
Cathy |
Gabby |
Difference |
| Before |
1 u |
1 u + $22 |
$22 |
| Change |
- 1 |
- 1 |
|
| After |
3 p |
5 p |
2 p |
Difference in the amounts between Gabby and Cathy
= 5 p - 3 p
= 2 p
Since both Gabby and Cathy spent an equal amount, the difference in the amounts that Gabby and Cathy had at first and in the end remains unchanged.
2 p = 22
1 p = 22 ÷ 2 = 11
Amount that Cathy had left
= 3 p
= 3 x 11
= $33
Answer(s): $33
