Kimberly and Gabby went shopping. After Kimberly spent $94
g, Gabby had 3 times as much as Kimberly. If Kimberly had $26
g more than Gabby at first,
- Express the amount of money that Kimberly had at first in terms of g.
- If g = 38, find the amount of money that the two lady had left after shopping.
|
Kimberly |
Gabby |
Before |
1 u + $94g |
3 u |
Change |
- $94g |
|
After |
1 u |
3 u |
(a)
1 u + 94
g = 3 u + 26
g3 u - 1 u = 94
g - 26
g2 u = 94
g - 26
g = 68
g1 u = 68
g ÷ 2 = 34
g Kimberly's amount at first
= 1 u + 94
g = 34
g + 94
g = $128
g (b)
1 u + 3 u = 4 u
4 u = 4 x 34
g = 136
g Amount the two lady had left
= 136 x 38
= $5168
Answer(s): (a) $128
g; (b) $5168