Lets make this unknown number named X
74-32=x-30
42=x-30
x=72
74-32=72-30
Answer: 4x
Step-by-step explanation:
Since they have the same letter you just add the numbers like you would regularly which would be 2+2 = 4
let apple juice = x
milk = 2x
fruit punch = 3x
3x + 2x + x = 660
6x = 660
x = 660/6
x = 110 apple juices
2*110 = 220 milks
3*110 = 330 fruit punches