Answer:
80-24=56
28 multiplied by 2=56
Step-by-step explanation:
I don't know for sure I'm going to ace grade next year but I know that you you need to put the coefficients with the same variable together and the variable next to the coefficients and multiply or add or divide or subtract them and you get your answer and this is just 7th grade math I'm relying on
11) 4
12) $6.66 a min
13) 25¢
14) Alexander
15) C. 22.50
16) C
So for this you will be doing proportions. Your equation will look like this: 
Firstly, cross multiply: 
Next, square root both sides of the equation, and your answer should be 