posted by ken .
matthew mixes pretzels that sell for $1.50 a pound with cereal that sells for $3.00 per pound. he wants to make 12 pounds of mixture to sell for $2.00 a pound. how many pounds of each should he use?
pre algebra -
amount of pretzels ---- x lbs
amount of cereal ----- 12-x lbs
1.5x + 3(12-x) = 2(12)