Zane had $1.50 less than Fred. After Zane gave $3.60 to Fred, Fred would have four times as much money as Zane. How much money had Fred at first?
| |
Fred |
Zane |
| Before |
4 u - $3.60 |
1 u + $3.60 |
| Change |
+ $3.60 |
- $3.60 |
| After |
4 u |
1 u |
Zane had $1.50 less than Fred. If another $1.50 was given to Zane, Fred and Zane would have the same amount at first.
4 u - 3.60 = 1 u + 3.60 + 1.50
4 u - 1 u = 3.60 + 1.50 + 3.60
3 u = 8.70
1 u = 8.70 ÷ 3 = 2.90
Amount that Fred had at first
= 4 u - 3.60
= 4 x 2.90 + 3.60
= 11.60 + 3.60
= $15.20
Answer(s): $15.20
