Answer:
8 cookies: 1 cookie =$1.25
12 cookies: 1 cookie =$1.33
Step-by-step explanation:
The formula for price per unit is : 
Lets first work out the price per unit for the 8 cookies. You can do this by dividing the price of 10 by the amount of 8, this gives you $1.25. This means that the price per cookie is $1.25.
Now to work out the price per cookie for 12 cookies. You can do this by dividing the price of 16 by the amount of 12, this gives you $1.33. This means that the price per cookie for this offer is $1.33.
1) Divide 10 by 8.

2) Divide 16 by 12.

Answer: 7 7/24
Also 175/24
Step-by-step explanation:
The answer is 2sqrt(8) . hope this helped
7(5 + x) = -14
7 x 5 = 35
So 35+7x=-14 divide through by 7 first
5+x=-2
X=-7