Lynn and Emily went shopping. After Lynn spent $91
x, Emily had 3 times as much as Lynn. If Lynn had $25
x more than Emily at first,
- Express the amount of money that Lynn had at first in terms of x.
- If x = 14, find the amount of money that the two lady had left after shopping.
|
Lynn |
Emily |
Before |
1 u + $91x |
3 u |
Change |
- $91x |
|
After |
1 u |
3 u |
(a)
1 u + 91
x = 3 u + 25
x3 u - 1 u = 91
x - 25
x2 u = 91
x - 25
x = 66
x1 u = 66
x ÷ 2 = 33
x Lynn's amount at first
= 1 u + 91
x = 33
x + 91
x = $124
x (b)
1 u + 3 u = 4 u
4 u = 4 x 33
x = 132
x Amount the two lady had left
= 132 x 14
= $1848
Answer(s): (a) $124
x; (b) $1848