Min and Julie went shopping. After Min spent $88
n, Julie had 5 times as much as Min. If Min had $24
n more than Julie at first,
- Express the amount of money that Min had at first in terms of n.
- If n = 12, find the amount of money that the two women had left after shopping.
|
Min |
Julie |
Before |
1 u + $88n |
5 u |
Change |
- $88n |
|
After |
1 u |
5 u |
(a)
1 u + 88
n = 5 u + 24
n5 u - 1 u = 88
n - 24
n4 u = 88
n - 24
n = 64
n1 u = 64
n ÷ 4 = 16
n Min's amount at first
= 1 u + 88
n = 16
n + 88
n = $104
n (b)
1 u + 5 u = 6 u
6 u = 6 x 16
n = 96
n Amount the two women had left
= 96 x 12
= $1152
Answer(s): (a) $104
n; (b) $1152