SOLUTION: he spent $44 on 13 cases of juice and 9 cases of soda, which is all the store had in stock. A few days later he returned to the store and purchased an additional 10 cases of juice

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Question 1089423: he spent $44 on 13 cases of juice and 9 cases of soda, which is all the store had in stock. A few days later he returned to the store and purchased an additional 10 cases of juice and 9 cases of soda, spending a total of $38. What is the price of each drink? solve algebraically
Answer by ikleyn(52790)   (Show Source): You can put this solution on YOUR website!
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Having this condition, you can IMMEDIATELY to conclude that 3 cases of juice cost 44 - 38 = 6 dollars.

So one case of juice costs 6/3 = 2 dollars.


To make this conclusion, you do not need to solve the system of equation.

The common sense is enough.


And the problems like this are designed to develop your common sense.


Having this partial solution of $2 dollars per case of juice, you can complete the rest of the solution MENTALLY.


Check yourself.


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