m = milk
c = cheese
t = meat
m = 0.5c
t =4c
0.5c+ c + 4c = 39
5.5c = 39
c = 39/5.5 = 7.09
cheese = 7.09
milk = 7.09/2 = 3.55
meat = 7.09*4 = 28.36
28.36 +3.55 + 7.09 = 39
Answer:
x=8
Step-by-step explanation: