-2x^2+20x+4x-40=-2x^2+24x-40 don't know if this is what you want
7 = -x + 3
7- 3 = -x
4 = -x
x = -4 <===== 10 is not a solution
Answer:
An 8-pack of frozen waffles costs $6.91. What is the unit price, rounded to the nearest cent?
Step-by-step explanation:
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Answer: A. The original price was $608. B. $76 each week C. Quite useful, as it keeps track of the amount of money she still needs to owe each week.
Step-by-step explanation: For part A, 5 week subtracted by 2 weeks is 3 weeks. 456-228 is 228. Then divide 228 by 3 and you get $76. Then do 2x76 to get 152 and add it to 456, and you get 608.
Answer:
Step-by-step explanation:
So, for 60 square feet they charge = 287
So, for 1 square foot they charge = 
If they charge the installation fee this becomes = 
We can write an equation to calculate cost by using this 
Where x is the amount of square foot
