Gillian and Elyse went shopping. After Gillian spent $63
e, Elyse had 5 times as much as Gillian. If Gillian had $21
e more than Elyse at first,
- Express the amount of money that Gillian had at first in terms of e.
- If e = 14, find the amount of money that the two lady had left after shopping.
|
Gillian |
Elyse |
Before |
1 u + $63e |
5 u |
Change |
- $63e |
|
After |
1 u |
5 u |
(a)
1 u + 63
e = 5 u + 21
e5 u - 1 u = 63
e - 21
e4 u = 63
e - 21
e = 42
e1 u = 42
e ÷ 4 = 10.5
e Gillian's amount at first
= 1 u + 63
e = 10.5
e + 63
e = $73.5
e (b)
1 u + 5 u = 6 u
6 u = 6 x 10.5
e = 63
e Amount the two lady had left
= 63 x 14
= $882
Answer(s): (a) $73.5
e; (b) $882