Pamela and Roshel went shopping. After Pamela spent $63
e, Roshel had 3 times as much as Pamela. If Pamela had $29
e more than Roshel at first,
- Express the amount of money that Pamela had at first in terms of e.
- If e = 38, find the amount of money that the two lady had left after shopping.
|
Pamela |
Roshel |
Before |
1 u + $63e |
3 u |
Change |
- $63e |
|
After |
1 u |
3 u |
(a)
1 u + 63
e = 3 u + 29
e3 u - 1 u = 63
e - 29
e2 u = 63
e - 29
e = 34
e1 u = 34
e ÷ 2 = 17
e Pamela's amount at first
= 1 u + 63
e = 17
e + 63
e = $80
e (b)
1 u + 3 u = 4 u
4 u = 4 x 17
e = 68
e Amount the two lady had left
= 68 x 38
= $2584
Answer(s): (a) $80
e; (b) $2584