The cost of n dozen banana is x rupee more than 100 rupee and the cost of 6n dozen banana is 14x rupee less than 700 rupee. Which of the following is the cost of 1 dozen banana (Given that n and x are positive integers)
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Answer:
n=x-100
6n=14x+700
6n+n=14x+x+700-100
7x=15x+600
600=15x-7x
600=8x
x=75=n
6n=6x75=450
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