This question makes no sense
First add liile terms so you equation will be 4x+7=16, then subtract 7 from both sides and you get 4x=9, finally divide both sides by 4 and you will get x=2.25
Answer:
36
Step-by-step explanation:
6 1/3 cups served is 18 so add another 18
$56.96
1) 75.95 x .25= 18.9875= 18.99
2) 18.99 -75.95= 56.96