The total cost would be:
$20 = two people- 2*20=40$
20 = guest
20*20=
400 would be the cost
What I would do for this problem, is move all the terms that don't contain m to the right side, and then solve.
m = 4/5.
75% of the gallon of milk is left
16/16-4/16=12/16
12/16=3/4=0.75
Answer: i d k
Step-by-step explanation: