SOLUTION: 50 children bought either chocolate or white milk. Chocolate milk costs $.30 and white milk costs $.25. the total cost of milk sold was 13.30.How man chocolate and white milks were

Question 585870: 50 children bought either chocolate or white milk. Chocolate milk costs $.30 and white milk costs $.25. the total cost of milk sold was 13.30.How man chocolate and white milks were sold?
Easiest way to solve this.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of white milks sold
Let = number of chocolate milks sold
given:
(1)
(2) ( in cents )
-------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)

and, since
(1)
(1)
(1)
34 white milks were sold
16 chocolate milks were sold
check answer:
(2)
(2)
(2)
OK
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