Nicole's salary to Jane's salary is 3 : 8. If Nicole spends
27 of her salary, she will have $820 less than Jane. How much salary does Jane have?
| |
Nicole |
Jane |
Comparing Nicole
and Jane at first |
3x7 =
21 u |
8x7 =
56 u |
Before |
7x3 =
21 u |
|
Change |
- 2x3 =
- 6 u |
|
After |
5x3 =
15 u |
56 u |
Comparing Nicole
and Jane in the end |
|
$820 less |
Nicole's salary at first is repeated. Make Nicole's salary at first the same. LCM of 3 and 7 is 21.
Amount that Nicole will have less than Jane in the end
= 56 u - 15 u
= 41 u
41 u = 820
1 u = 820 ÷ 41 = 20
Jane's salary
= 56 u
= 56 x 20
= $1120
Answer(s): $1120
