Answer:
$9.08
Step-by-step explanation:
(find the difference means to subtract the second term from the first.)
$20.90 - $11.82 = $9.08
9x-7 = -7
step 1 = add 7 to each side
9x = 0
step 2 divide both sides by 9
x = 0/9 = 0
Answer:
$367.87
Step-by-step explanation:
![P[(1 + r/100n)]^nt](https://tex.z-dn.net/?f=P%5B%281%20%2B%20r%2F100n%29%5D%5Ent)
![(2300)[(1 + (2.12)/100n)]^(52)(7)](https://tex.z-dn.net/?f=%282300%29%5B%281%20%2B%20%282.12%29%2F100n%29%5D%5E%2852%29%287%29)

Total number of people = n
Number of female = 30/100 n
Number of male = 1295
Number of females = 579 total female