David had $224 and Pierre had some money at first. After David spent $15 and Pierre spent 25% of his money, they had a total of $269 left. How much money did Pierre have at first?
| |
David |
Pierre |
| Before |
$224 |
4 u |
| Change |
- $15 |
- 1 u |
| After |
$209 |
3 u |
25% =
25100 =
14 Amount that David had left
= 224 - 15
= $209
Total amount that David and Pierre had left = 209 + 3 u
209 + 3 u = 269
3 u = 269 - 209
3 u = 60
1 u = 60 ÷ 3 = 20
Amount that Pierre had at first
= 4 u
= 4 x 20
= $80
Answer(s): $80
