Albert had $117 and Vincent had some money at first. After Albert spent $39 and Vincent spent 30% of his money, they had a total of $106 left. How much money did Vincent have at first?
| |
Albert |
Vincent |
| Before |
$117 |
10 u |
| Change |
- $39 |
- 3 u |
| After |
$78 |
7 u |
30% =
30100 =
310 Amount that Albert had left
= 117 - 39
= $78
Total amount that Albert and Vincent had left = 78 + 7 u
78 + 7 u = 106
7 u = 106 - 78
7 u = 28
1 u = 28 ÷ 7 = 4
Amount that Vincent had at first
= 10 u
= 10 x 4
= $40
Answer(s): $40
