Julie's salary to Barbara's salary is 4 : 9. If Julie spends
56 of her salary, she will have $1500 less than Barbara. How much salary does Barbara have?
| |
Julie |
Barbara |
Comparing Julie
and Barbara at first |
4x3 =
12 u |
9x3 =
27 u |
Before |
6x2 =
12 u |
|
Change |
- 5x2 =
- 10 u |
|
After |
1x2 =
2 u |
27 u |
Comparing Julie
and Barbara in the end |
|
$1500 less |
Julie's salary at first is repeated. Make Julie's salary at first the same. LCM of 4 and 6 is 12.
Amount that Julie will have less than Barbara in the end
= 27 u - 2 u
= 25 u
25 u = 1500
1 u = 1500 ÷ 25 = 60
Barbara's salary
= 27 u
= 27 x 60
= $1620
Answer(s): $1620
