SOLUTION: Question No 3:A fruit vendor buys some oranges at the rate of 5 per orange. He also buys an equal number of bananas at the rate of 2 per banana. He makes a 20% profit on oranges an

Algebra ->  Linear-equations -> SOLUTION: Question No 3:A fruit vendor buys some oranges at the rate of 5 per orange. He also buys an equal number of bananas at the rate of 2 per banana. He makes a 20% profit on oranges an      Log On


   



Question 1015099: Question No 3:A fruit vendor buys some oranges at the rate of 5 per orange. He also buys an equal number of bananas at the rate of 2 per banana. He makes a 20% profit on oranges and a 15% profit on bananas. At the end of the day, all the fruit is sold out. His total profit is 390. Find the number of oranges purchased.
Answer by solver91311(24713) About Me  (Show Source):
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Let represent the number of oranges purchased, so must also represent the number of bananas purchased. 20% of 5 is 1, so he must have sold the oranges for 6 and 15% of 2 is 0.3, so he must have sold the bananas for 2.3. If represents the total cost of the fruit purchased, then the following relationships must hold:





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John

My calculator said it, I believe it, that settles it