Natalie's salary to Pamela's salary is 3 : 7. If Natalie spends
56 of her salary, Pamela will have $520 more than her. How much salary does Natalie have?
| |
Natalie |
Pamela |
Comparing Natalie
and Pamela at first |
3x2 =
6 u |
7x2 =
14 u |
Before |
6x1 =
6 u |
|
Change |
- 5x1 =
- 5 u |
|
After |
1x1 =
1 u |
14 u |
Comparing Natalie
and Pamela in the end |
|
$520 more |
Natalie's salary at first is repeated. Make Natalie's salary at first the same. LCM of 3 and 6 is 6.
Amount that Pamela will have more than Natalie in the end
= 14 u - 1 u
= 13 u
13 u = 520
1 u = 520 ÷ 13 = 40
Natalie's salary
= 6 u
= 6 x 40
= $240
Answer(s): $240
