Answer:
$1.50
Step-by-step explanation:
If you do cost per quantity you would get $9 over 6 visits. Then you divide both sides by 6 because to get to one by 6 it's 6 so when you divide both sides by 6 you would get 1.5 over 1 and all you do is add a zero because you're dealing with money
Hope this helps :)
Answer: 
This is the same as 
and it is also equivalent to 
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Explanation:
n is some placeholder for a number
one fourth of that number is 
which is the same as 
or 
since 1/4 = 0.25
From here, we subtract off 2 to get as one possible final answer.
Answer:
163/20 or 8.15
Step-by-step explanation:
well we are going to do PEMDAS
parentheses
exponents
multiplication/ division
addition/ subtraction
2 + 2/5 x 23/4 (i made the fractions into decimals)
2 + 6.15
163/20 or 8.15
