SOLUTION: A discount store sold plastic cups for $3.50 each and ceramic cups for $4 each. If 400 cups were sold for a total of $1458, how many cups of each type were sold? What was the doll

Question 281525: A discount store sold plastic cups for $3.50 each and ceramic cups for $4 each. If 400 cups were sold for a total of $1458, how many cups of each type were sold? What was the dollar value of each type of cup sold?

Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
=Plastic cups
=ceramic cups

u can use substitution or elimination method
i will use elimination method as it is easy and faster
multiply by a -3.50

add them together

dollars of ceramic cups

dollars of plasitic cups
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