Answer:
70
Step-by-step explanation:




Divide the number of people by the number of plates per pack:
138 / 12 = 11.5
He need to buy 12 packs of plates to have enough.
Answer:
It is again the fourth answer VerifiedExpert
Step-by-step explanation:
If you graph of sub in values, you will see no answer dips below (-7,0).
Hope it helps.
Answer:
7/12, 2/3, 3/4
Step-by-step explanation: