Solve the problem.
-Ellen wishes to mix candy worth $\$ 1.11$ per pound with candy worth $\$ 3.86$ per pound to form 16 pounds of a mixture worth $\$ 2.31$ per pound. How many pounds of the more expensive candy should she use?
A) 12 pounds
B) 9 pounds
C) 11 pounds
D) 7 pounds

Question

Quizplus · Accepted Answer

Ellen wants a mixture worth $2.31 per pound from candies worth $1.11 and $3.86 per pound. Let x be the pounds of the $3.86 candy. The equation for the total cost of the mixture is $1.11(16-x) + 3.86x = 2.31(16)$. Solving for x gives 7 pounds of the more expensive candy.

Solve the Problem $1.11\$ 1.11$1.11 Per Pound with Candy Worth $3.86\$ 3.86$3.86

Solve the Problem $\$ 1.11$ Per Pound with Candy Worth $\$ 3.86$