Esther's salary to Penelope's salary is 5 : 9. If Esther spends
37 of her salary, she will have $2150 less than Penelope. How much salary does Penelope have?
| |
Esther |
Penelope |
Comparing Esther
and Penelope at first |
5x7 =
35 u |
9x7 =
63 u |
Before |
7x5 =
35 u |
|
Change |
- 3x5 =
- 15 u |
|
After |
4x5 =
20 u |
63 u |
Comparing Esther
and Penelope in the end |
|
$2150 less |
Esther's salary at first is repeated. Make Esther's salary at first the same. LCM of 5 and 7 is 35.
Amount that Esther will have less than Penelope in the end
= 63 u - 20 u
= 43 u
43 u = 2150
1 u = 2150 ÷ 43 = 50
Penelope's salary
= 63 u
= 63 x 50
= $3150
Answer(s): $3150
