Question

Lena made 32 ounces of a fruit drink mix using pineapple juice and grapefruit juice. The number of ounces of pineapple juice in the fruit drink mix is 5 more than 2 times the number of ounces of grapefruit juice in the fruit drink mix. Which graph shows the number of ounces of pineapple juice, x, and the number of ounces of grapefruit juice, y, in the fruit drink mix?

Answer 1

The complete question in the attached figure

let
x-------> the number of ounces of pineapple juice
y------>  the number of ounces of grapefruit juice
we know that
x+y=32
x=2y+5-----> x-5=2y

using a graph tool
see the attached figure N 2
the solution is 
x=23 ounces (pineapple juice)
y=9 ounces (grapefruit juice)

therefore

the answer is the option a