Jade's salary to Shannon's salary is 2 : 7. If Jade spends
56 of her salary, she will have $2400 less than Shannon. How much salary does Shannon have?
| |
Jade |
Shannon |
Comparing Jade
and Shannon at first |
2x3 =
6 u |
7x3 =
21 u |
Before |
6x1 =
6 u |
|
Change |
- 5x1 =
- 5 u |
|
After |
1x1 =
1 u |
21 u |
Comparing Jade
and Shannon in the end |
|
$2400 less |
Jade's salary at first is repeated. Make Jade's salary at first the same. LCM of 2 and 6 is 6.
Amount that Jade will have less than Shannon in the end
= 21 u - 1 u
= 20 u
20 u = 2400
1 u = 2400 ÷ 20 = 120
Shannon's salary
= 21 u
= 21 x 120
= $2520
Answer(s): $2520
