Answer:
Step-by-step explanation:
3y+y = 26-6
4y = 20
4y/4 = 20/4
y = 5
Answer: 96 blocks
Step-by-step explanation:
14 + 34 = 48 blocks
48 + 48 = 96 blocks
She had $10 dollars and the 15 is far so you need to have only one estimate.
Consider that 100%-72%=28% represents the percentage of wrong answers. I would think as fractions as:
if 100% is the total number of answers and 28% are the wrong ones
as
if x is the total you have 14 wrong you can write:

x=(100/28)*14=50 questions
lines with undefined slope are vertical
equation are in form of x constant
through the points ( 3 , -4)
the line is x=3