Jane's salary to Abi's salary is 2 : 7. If Jane spends
37 of her salary, Abi will have $2870 more than her. How much salary does Jane have?
| |
Jane |
Abi |
Comparing Jane
and Abi at first |
2x7 =
14 u |
7x7 =
49 u |
Before |
7x2 =
14 u |
|
Change |
- 3x2 =
- 6 u |
|
After |
4x2 =
8 u |
49 u |
Comparing Jane
and Abi in the end |
|
$2870 more |
Jane's salary at first is repeated. Make Jane's salary at first the same. LCM of 2 and 7 is 14.
Amount that Abi will have more than Jane in the end
= 49 u - 8 u
= 41 u
41 u = 2870
1 u = 2870 ÷ 41 = 70
Jane's salary
= 14 u
= 14 x 70
= $980
Answer(s): $980
