Penelope's salary to Min's salary is 3 : 7. If Penelope spends
34 of her salary, Min will have $1750 more than her. How much salary does Penelope have?
| |
Penelope |
Min |
Comparing Penelope
and Min at first |
3x4 =
12 u |
7x4 =
28 u |
Before |
4x3 =
12 u |
|
Change |
- 3x3 =
- 9 u |
|
After |
1x3 =
3 u |
28 u |
Comparing Penelope
and Min in the end |
|
$1750 more |
Penelope's salary at first is repeated. Make Penelope's salary at first the same. LCM of 3 and 4 is 12.
Amount that Min will have more than Penelope in the end
= 28 u - 3 u
= 25 u
25 u = 1750
1 u = 1750 ÷ 25 = 70
Penelope's salary
= 12 u
= 12 x 70
= $840
Answer(s): $840
