Zoe's salary to Abi's salary is 7 : 9. If Zoe spends
56 of her salary, Abi will have $3290 more than her. How much salary does Zoe have?
| |
Zoe |
Abi |
Comparing Zoe
and Abi at first |
7x6 =
42 u |
9x6 =
54 u |
Before |
6x7 =
42 u |
|
Change |
- 5x7 =
- 35 u |
|
After |
1x7 =
7 u |
54 u |
Comparing Zoe
and Abi in the end |
|
$3290 more |
Zoe's salary at first is repeated. Make Zoe's salary at first the same. LCM of 7 and 6 is 42.
Amount that Abi will have more than Zoe in the end
= 54 u - 7 u
= 47 u
47 u = 3290
1 u = 3290 ÷ 47 = 70
Zoe's salary
= 42 u
= 42 x 70
= $2940
Answer(s): $2940
