Luke had $71.70 more than Harry. After Harry had spent
56 of his money, Luke had $107.20 more than Harry. How much money did Luke have at first?
|
Luke |
Harry |
More |
Before |
6 u + $71.70 |
6 u |
$71.70 |
Change |
|
- 5 u |
|
After |
6 u + $71.70 |
1 u |
5 u + $71.70 |
Luke had $107.20 more than Harry in the end.
6 u + 71.70 - 1 u = 107.20
5 u + 71.70 = 107.20
5 u = 107.20 - 71.70
5 u = 35.50
1 u = 35.50 ÷ 5 = 7.10
Amount that Luke had at first
= 6 u + 71.70
= 6 x 7.10 + 71.70
= 42.60 + 71.70
= $114.30
Answer(s): $114.30