Tiffany and Julie went shopping. After Tiffany spent $66
g, Julie had 5 times as much as Tiffany. If Tiffany had $26
g more than Julie at first,
- Express the amount of money that Tiffany had at first in terms of g.
- If g = 38, find the amount of money that the two women had left after shopping.
|
Tiffany |
Julie |
Before |
1 u + $66g |
5 u |
Change |
- $66g |
|
After |
1 u |
5 u |
(a)
1 u + 66
g = 5 u + 26
g5 u - 1 u = 66
g - 26
g4 u = 66
g - 26
g = 40
g1 u = 40
g ÷ 4 = 10
g Tiffany's amount at first
= 1 u + 66
g = 10
g + 66
g = $76
g (b)
1 u + 5 u = 6 u
6 u = 6 x 10
g = 60
g Amount the two women had left
= 60 x 38
= $2280
Answer(s): (a) $76
g; (b) $2280