Yoko's salary to Penelope's salary is 2 : 7. If Yoko spends
37 of her salary, she will have $4920 less than Penelope. How much salary does Penelope have?
| |
Yoko |
Penelope |
Comparing Yoko
and Penelope at first |
2x7 =
14 u |
7x7 =
49 u |
Before |
7x2 =
14 u |
|
Change |
- 3x2 =
- 6 u |
|
After |
4x2 =
8 u |
49 u |
Comparing Yoko
and Penelope in the end |
|
$4920 less |
Yoko's salary at first is repeated. Make Yoko's salary at first the same. LCM of 2 and 7 is 14.
Amount that Yoko will have less than Penelope in the end
= 49 u - 8 u
= 41 u
41 u = 4920
1 u = 4920 ÷ 41 = 120
Penelope's salary
= 49 u
= 49 x 120
= $5880
Answer(s): $5880
