You work for a carpet company. You sell carpets at these prices: 100 square feet for $67,200 square feet for $130, 400 square feet for $240, and 800 square feet for $504. What is the approximate percentage difference of the best and worst carpet deals according to their unit costs?

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step-by-step explanation:

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answer: apothems is your answer

step-by-step explanation: hope u get it right

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.