Kay's mother taught her how to make handmade ornaments to sell at a craft fair. kay rented a table at the fair for $30 and set up her work station. each ornament that she makes costs approximately $2.50 for materials. she sells each ornament for $6.00. if x represents the number of ornaments sold at the craft fair, which of the following expression would represent kays profit?

ion

step-by-step explanation:

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nswer: a   y-axis

step-by-step explanation:

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.