Solve Applications with Linear Inequalities · Review Exercise 80

Solve each mixture word problem.

Amber wants to put tiles on the backsplash of her kitchen counters. She will need 36 square feet of tile. She will use basic tiles that cost $8 per square foot and decorator tiles that cost $20 per square foot. How many square feet of each tile should she use so that the overall cost of the backsplash will be $10 per square foot?

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Elementary Algebra 2e · §3.6 Solve Applications with Linear Inequalities · Review Exercise 80