Dana's salary to Natalie's salary is 5 : 8. If Dana spends
57 of her salary, she will have $3220 less than Natalie. How much salary does Natalie have?
| |
Dana |
Natalie |
Comparing Dana
and Natalie at first |
5x7 =
35 u |
8x7 =
56 u |
Before |
7x5 =
35 u |
|
Change |
- 5x5 =
- 25 u |
|
After |
2x5 =
10 u |
56 u |
Comparing Dana
and Natalie in the end |
|
$3220 less |
Dana's salary at first is repeated. Make Dana's salary at first the same. LCM of 5 and 7 is 35.
Amount that Dana will have less than Natalie in the end
= 56 u - 10 u
= 46 u
46 u = 3220
1 u = 3220 ÷ 46 = 70
Natalie's salary
= 56 u
= 56 x 70
= $3920
Answer(s): $3920
