SOLUTION: Marie and Tony went shopping together. Marie bought 2L of milk and 10 oranges for $3.44. Tony bougth 3L of milk and 8 otanges for 3.69 What was the cost of of one liter of milk? o
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Question 391249: Marie and Tony went shopping together. Marie bought 2L of milk and 10 oranges for $3.44. Tony bougth 3L of milk and 8 otanges for 3.69 What was the cost of of one liter of milk? of one orange?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
Multiply both sides of (1) by
Multiply both sides of (2) by
and subtract (2) from (1)
(1)
(2)
Substitute this in (1)
(1)
1 liter of milk is 67 cents
1 orange is 21 cents
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