Bryan had $87.40 more than Julian. After Julian had spent
78 of his money, Bryan had $156.70 more than Julian. How much money did Bryan have at first?
|
Bryan |
Julian |
More |
Before |
8 u + $87.40 |
8 u |
$87.40 |
Change |
|
- 7 u |
|
After |
8 u + $87.40 |
1 u |
7 u + $87.40 |
Bryan had $156.70 more than Julian in the end.
8 u + 87.40 - 1 u = 156.70
7 u + 87.40 = 156.70
7 u = 156.70 - 87.40
7 u = 69.30
1 u = 69.30 ÷ 7 = 9.90
Amount that Bryan had at first
= 8 u + 87.40
= 8 x 9.90 + 87.40
= 79.20 + 87.40
= $166.60
Answer(s): $166.60