Answer: He need 60 ounces of cream cheese
Step-by-step explanation:
you can find the easy number which is 9 by 3x3 which fits into 10 so you take 18x3 and you get 54 and you only need 1/3 of 18 to add to 54 and 18 divided by 3 is 6 and 54+6 is 60
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