Linda and Xylium went shopping. After Linda spent $64
c, Xylium had 5 times as much as Linda. If Linda had $30
c more than Xylium at first,
- Express the amount of money that Linda had at first in terms of c.
- If c = 34, find the amount of money that the two lady had left after shopping.
|
Linda |
Xylium |
Before |
1 u + $64c |
5 u |
Change |
- $64c |
|
After |
1 u |
5 u |
(a)
1 u + 64
c = 5 u + 30
c5 u - 1 u = 64
c - 30
c4 u = 64
c - 30
c = 34
c1 u = 34
c ÷ 4 = 8.5
c Linda's amount at first
= 1 u + 64
c = 8.5
c + 64
c = $72.5
c (b)
1 u + 5 u = 6 u
6 u = 6 x 8.5
c = 51
c Amount the two lady had left
= 51 x 34
= $1734
Answer(s): (a) $72.5
c; (b) $1734