Abi had $9 less than Dana at first. After Dana and Abi spent an equal amount of money, Abi had
58 as much as Dana. How much money did Abi have left?
|
Abi |
Dana |
Difference |
Before |
1 u |
1 u + $9 |
$9 |
Change |
- 1 |
- 1 |
|
After |
5 p |
8 p |
3 p |
Difference in the amounts between Dana and Abi
= 8 p - 5 p
= 3 p
Since both Dana and Abi spent an equal amount, the difference in the amounts that Dana and Abi had at first and in the end remains unchanged.
3 p = 9
1 p = 9 ÷ 3 = 3
Amount that Abi had left
= 5 p
= 5 x 3
= $15
Answer(s): $15