Tammy's salary to Jane's salary is 4 : 7. If Tammy spends
35 of her salary, she will have $540 less than Jane. How much salary does Jane have?
| |
Tammy |
Jane |
Comparing Tammy
and Jane at first |
4x5 =
20 u |
7x5 =
35 u |
Before |
5x4 =
20 u |
|
Change |
- 3x4 =
- 12 u |
|
After |
2x4 =
8 u |
35 u |
Comparing Tammy
and Jane in the end |
|
$540 less |
Tammy's salary at first is repeated. Make Tammy's salary at first the same. LCM of 4 and 5 is 20.
Amount that Tammy will have less than Jane in the end
= 35 u - 8 u
= 27 u
27 u = 540
1 u = 540 ÷ 27 = 20
Jane's salary
= 35 u
= 35 x 20
= $700
Answer(s): $700
