Answer: 11
Step-by-step explanation: 
Answer:
x =550
y=250
Step-by-step explanation:
.2x + .04y = 120
x + y = 800
Answer:
When y=276, x= 23
Step-by-step explanation:
Since they're directly proportional, when divided they have to equal the same.
180/15= 12 and 276/23= 12
Step-by-step explanation:
i think this is the answer if it's wrong I'm sorry