Victorium and Tammy went shopping. After Victorium spent $89
y, Tammy had 3 times as much as Victorium. If Victorium had $28
y more than Tammy at first,
- Express the amount of money that Victorium had at first in terms of y.
- If y = 29, find the amount of money that the two lady had left after shopping.
|
Victorium |
Tammy |
Before |
1 u + $89y |
3 u |
Change |
- $89y |
|
After |
1 u |
3 u |
(a)
1 u + 89
y = 3 u + 28
y3 u - 1 u = 89
y - 28
y2 u = 89
y - 28
y = 61
y1 u = 61
y ÷ 2 = 30.5
y Victorium's amount at first
= 1 u + 89
y = 30.5
y + 89
y = $119.5
y (b)
1 u + 3 u = 4 u
4 u = 4 x 30.5
y = 122
y Amount the two lady had left
= 122 x 29
= $3538
Answer(s): (a) $119.5
y; (b) $3538