3. Vijay had some bananas and he divided them into two lots A and B. He sold the first
lot at the rate of 2 for 3 bananas and the second lot at the rate of 1 per banana and
got a total of 400. If he had sold the first lot at the rate of · 1 per banana and the
second lot at the rate of 4 for 5 bananas, his total collection would have been * 460.
Find the total number of bananas he had.
Answers
Answer:
here is your answer
Step-by-step explanation:
Let the first lot =x and the second lot =y, both in Rs .
∴ total number of bananas =x+y
In the first case price of x bananas at the rate of Rs. 2 per 3 bananas =
3
2x
and price of y bananas at the rate of Rs. 1 per banana =y.
∴ by the given condition
3
2x
+y=400
⇒2x+3y=1200 ..............(i)
In the second case price of x bananas at the rate of Rs. 1 per banana =x and price of y bananas at the rate of Rs. 4 per 5 banana =
5
4
y
∴ by the given condition x+
5
4
y=460
⇒5x+4y=2300 ........(ii)
Multiplying (i) by 5 and (ii) by 2, we get
10x+15y=6000 ........(iii) and 10x+8y=4600 .........(iv)
Subtracting (iv) from (iii), we get
7y=1400
⇒y=200
Putting y=200 in (i), we get
2x+3×200=1200
⇒x=300
∴x+y=300+200=500
So, Vijay had 500 bananas.
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