Answer:
Jillian has 720 shares
Step-by-step explanation:
Find 60% 1,200 shares
Convert 60% to decimal.
0.6
Multiply to find 60% of 1,200
0.6 x 1,200 = 720
720 shares
The total number of cookies baked by grandma = 96
Number of grandchildren = 8
As given, all cookies were evenly divided among 8 children, let us assume that everyone except Cindy got equal share. So on being divided equally, it becomes,
cookies per children.
But, as mentioned that Cindy received 'c' cookies less, so let us suppose Cindy received 'x' cookies.
Expression becomes: 
Hence, Cindy received 12-c cookies.
-26 is not an inequality. It's just a number. Maybe there was
another part of it that you forgot to copy.
5.4 yards for each dress. This number lies between 5 and 6
2z +7 = -5
2z = -5 -7
2z = -12
z= -12 /2
z= -6