Ari and Joey share a 30-ounce box of cereal. By the end of the week, Ari has eaten 3/10 of the box, and Joey has eaten 3/5 of the box of cereal. How many ounces are left in the box?

Correct answer:

x =  3 oz

Step-by-step explanation:

m=30 oz  k=131035=110=0.1  x=m k=30 0.1=3 oz

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