Kimberly and Kylie went shopping. After Kimberly spent $94
e, Kylie had 3 times as much as Kimberly. If Kimberly had $27
e more than Kylie at first,
- Express the amount of money that Kimberly had at first in terms of e.
- If e = 28, find the amount of money that the two women had left after shopping.
|
Kimberly |
Kylie |
Before |
1 u + $94e |
3 u |
Change |
- $94e |
|
After |
1 u |
3 u |
(a)
1 u + 94
e = 3 u + 27
e3 u - 1 u = 94
e - 27
e2 u = 94
e - 27
e = 67
e1 u = 67
e ÷ 2 = 33.5
e Kimberly's amount at first
= 1 u + 94
e = 33.5
e + 94
e = $127.5
e (b)
1 u + 3 u = 4 u
4 u = 4 x 33.5
e = 134
e Amount the two women had left
= 134 x 28
= $3752
Answer(s): (a) $127.5
e; (b) $3752