SOLUTION: I want to check my answer to the following: A discount store sold plastic cups for $3.50 each and ceramic cups for $4 each. If 400 cups were sold for the total $1,458, How many cu

Question 194578: I want to check my answer to the following:
A discount store sold plastic cups for $3.50 each and ceramic cups for $4 each. If 400 cups were sold for the total $1,458, How many cups of each were sold? What was the dollar value of each type of cup sold.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the number of plastic cups sold
Let = the number of ceramic cups sold
given:
(1)
(2)
----------------------
Multiply both sids of (1) by and
subtract from (2)

-----------------------

and
(1)

116 ceramic cups and 284 plastic cups were sold
-----------------------
(2)

The value of the plastic cups sold was $994
The value of the ceramic cups sold was $464
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