Ivan had $279 and Michael had some money at first. After Ivan spent $13 and Michael spent 10% of his money, they had a total of $365 left. How much money did Michael have at first?
| |
Ivan |
Michael |
| Before |
$279 |
10 u |
| Change |
- $13 |
- 1 u |
| After |
$266 |
9 u |
10% =
10100 =
110 Amount that Ivan had left
= 279 - 13
= $266
Total amount that Ivan and Michael had left = 266 + 9 u
266 + 9 u = 365
9 u = 365 - 266
9 u = 99
1 u = 99 ÷ 9 = 11
Amount that Michael had at first
= 10 u
= 10 x 11
= $110
Answer(s): $110
