Jean's salary to Penelope's salary is 2 : 9. If Jean spends
56 of her salary, she will have $520 less than Penelope. How much salary does Penelope have?
| |
Jean |
Penelope |
Comparing Jean
and Penelope at first |
2x3 =
6 u |
9x3 =
27 u |
Before |
6x1 =
6 u |
|
Change |
- 5x1 =
- 5 u |
|
After |
1x1 =
1 u |
27 u |
Comparing Jean
and Penelope in the end |
|
$520 less |
Jean's salary at first is repeated. Make Jean's salary at first the same. LCM of 2 and 6 is 6.
Amount that Jean will have less than Penelope in the end
= 27 u - 1 u
= 26 u
26 u = 520
1 u = 520 ÷ 26 = 20
Penelope's salary
= 27 u
= 27 x 20
= $540
Answer(s): $540
