Pierre had $98.40 more than Daniel. After Daniel had spent
58 of his money, Pierre had $164.90 more than Daniel. How much money did Pierre have at first?
|
Pierre |
Daniel |
More |
Before |
8 u + $98.40 |
8 u |
$98.40 |
Change |
|
- 5 u |
|
After |
8 u + $98.40 |
3 u |
5 u + $98.40 |
Pierre had $164.90 more than Daniel in the end.
8 u + 98.40 - 3 u = 164.90
5 u + 98.40 = 164.90
5 u = 164.90 - 98.40
5 u = 66.50
1 u = 66.50 ÷ 5 = 13.30
Amount that Pierre had at first
= 8 u + 98.40
= 8 x 13.30 + 98.40
= 106.40 + 98.40
= $204.80
Answer(s): $204.80