Question

Raj bought a 20-ounce can of powdered lemonade mix. He already has used some of the mix. Each quart of lemonade requires 2.5 ounces of the mix. Let q represent the number of quarts of lemonade Raj has made so far. Which expression represents the amount of powdered lemonade mix left in the can?

Answer 1

For this case, the first thing we must do is define variables.
 We have then:
 q = represent the number of quarts of lemonade Raj has made so far.
 p = represents the amount of powdered lemonade mix.
 We then have the following linear equation:
 p = -2.5q + 20
 Answer:
 An expression represents the amount of powdered lemonade mix left in the can is:
 p = -2.5q + 20

Answer 2

Answer: C. 20 – 2.5q

Step-by-step explanation: I got it all right. i did the test.