Simple SAT Math Problem? 10 POINTS!!!!!!!!

1.
If a:b is 7:6 and 3b:2c is 2:3, what is c/a?

2.
The ratio of men to women in a house is 2:3. After 3 men leave the house, the ratio of men to women becomes 1 to 2. How many women are still in the house?

1. 13.5/7
2. 18 women

3b:2c
3(6):2c
18:2c

18/2c=2/3
54=4c
54/4=c
13.5=c

c/a is 13.5/7 which is 135/70 which is 27/14.

Answer: 27/14
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Let w = # of women
Let m = # of men

m/w=2/3
3m=2w
m=2w/3

(3m-3)/(2w)=1/2
2(3m-3)=1(2w)
6m-6=2w
6(2w/3)-6=2w
(12w/3)-6=2w
4w-6=2w
-6=2w-4w
-6=-2w
-6/-2=w
3=w

Answer: 3 women

If it's simple then you should be able to figure lol.
c/a = 1.5/7
There are 6 women left in the house
~answered by a 13 year old *Mumble

c/a is 13.5/7.