Dana had $24 more than Gem at first. After Dana and Gem spent an equal amount of money, Gem had
57 as much as Dana. How much money did Dana have left?
|
Dana |
Gem |
Difference |
Before |
1 u + $24 |
1 u |
$24 |
Change |
- 1 |
- 1 |
|
After |
7 p |
5 p |
2 p |
Difference in the amounts between Dana and Gem
= 7 p - 5 p
= 2 p
Since both Dana and Gem spent an equal amount, the difference in the amounts that Dana and Gem had at first and in the end remains unchanged.
2 p = 24
1 p = 24 ÷ 2 = 12
Amount that Dana had left
= 7 p
= 7 x 12
= $84
Answer(s): $84