Kimberly had $63 less than Usha at first. After Usha and Kimberly spent an equal amount of money, Kimberly had
310 as much as Usha. How much money did Kimberly have left?
| |
Kimberly |
Usha |
Difference |
| Before |
1 u |
1 u + $63 |
$63 |
| Change |
- 1 |
- 1 |
|
| After |
3 p |
10 p |
7 p |
Difference in the amounts between Usha and Kimberly
= 10 p - 3 p
= 7 p
Since both Usha and Kimberly spent an equal amount, the difference in the amounts that Usha and Kimberly had at first and in the end remains unchanged.
7 p = 63
1 p = 63 ÷ 7 = 9
Amount that Kimberly had left
= 3 p
= 3 x 9
= $27
Answer(s): $27
