Kathy's salary to Jane's salary is 5 : 8. If Kathy spends
56 of her salary, she will have $5160 less than Jane. How much salary does Jane have?
| |
Kathy |
Jane |
Comparing Kathy
and Jane at first |
5x6 =
30 u |
8x6 =
48 u |
Before |
6x5 =
30 u |
|
Change |
- 5x5 =
- 25 u |
|
After |
1x5 =
5 u |
48 u |
Comparing Kathy
and Jane in the end |
|
$5160 less |
Kathy's salary at first is repeated. Make Kathy's salary at first the same. LCM of 5 and 6 is 30.
Amount that Kathy will have less than Jane in the end
= 48 u - 5 u
= 43 u
43 u = 5160
1 u = 5160 ÷ 43 = 120
Jane's salary
= 48 u
= 48 x 120
= $5760
Answer(s): $5760
