SOLUTION: Q.1. a fruit vendor buys some oranges at the rate of rs 5 per orange. he also buys equal no. of bananas at the rate of rs.2 per banana. he makes a 20% profit on oranges and 15%

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: Q.1. a fruit vendor buys some oranges at the rate of rs 5 per orange. he also buys equal no. of bananas at the rate of rs.2 per banana. he makes a 20% profit on oranges and 15%       Log On

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Question 547083: Q.1.
a fruit vendor buys some oranges at the rate of rs 5 per orange.
he also buys equal no. of bananas at the rate of rs.2 per banana. he makes a 20% profit on oranges and 15% on bananas. at the end of the day all th fruit is sold out. his total profit is rs. 390 . find the no. of oranges sold

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = number of oranges bought
x also is number of bananas bought
+5x+ = cost of oranges
+2x+ = cost of bananas
At the end of the day, the vendor has profits of
+.2%2A5x+%2B+.15%2A2x+ =
+x+%2B+.3x+=+1.3x+
+1.3x+=+390+ (given)
+x+=+300+
He sold 300 oranges