Eric had $174 and Archie had some money at first. After Eric spent $81 and Archie spent 30% of his money, they had a total of $156 left. How much money did Archie have at first?
|
Eric |
Archie |
Before |
$174 |
10 u |
Change |
- $81 |
- 3 u |
After |
$93 |
7 u |
30% =
30100 =
310 Amount that Eric had left
= 174 - 81
= $93
Total amount that Eric and Archie had left = 93 + 7 u
93 + 7 u = 156
7 u = 156 - 93
7 u = 63
1 u = 63 ÷ 7 = 9
Amount that Archie had at first
= 10 u
= 10 x 9
= $90
Answer(s): $90