Julie and Wendy went shopping. After Julie spent $89
e, Wendy had 5 times as much as Julie. If Julie had $25
e more than Wendy at first,
- Express the amount of money that Julie had at first in terms of e.
- If e = 40, find the amount of money that the two women had left after shopping.
|
Julie |
Wendy |
Before |
1 u + $89e |
5 u |
Change |
- $89e |
|
After |
1 u |
5 u |
(a)
1 u + 89
e = 5 u + 25
e5 u - 1 u = 89
e - 25
e4 u = 89
e - 25
e = 64
e1 u = 64
e ÷ 4 = 16
e Julie's amount at first
= 1 u + 89
e = 16
e + 89
e = $105
e (b)
1 u + 5 u = 6 u
6 u = 6 x 16
e = 96
e Amount the two women had left
= 96 x 40
= $3840
Answer(s): (a) $105
e; (b) $3840