SS Equations and Systems 5(A) 5(C)

Mathematical Equivalence

ON

• 7.5

• 15

• 5

• Not here

A manager purchased a total of 21 coffee mugs and key chains. Each coffee mug cost $8.50, and each key chain cost $2.75. If the manager spent a total of $132.50, how many coffee mugs did the manager purchase?

Mathematical Equivalence

ON

• Infinite solutions

• No solution

• Exactly one solution

• Exactly two solutions