question_answer

A concert hall with 1000 seats is completely w filled with x boys, y girls and adults. Admission fee for an adult is Rs. 10 while a child pays \[\frac{1}{2}\] the price. Find in terms of x and y; the total amount collected.

A)  \[Rs.\,2(3000+x+y)\]

B)  \[Rs.\,(6000-x-y)\]

C)  \[Rs.\,(2000-x-y)\]

D)  \[Rs.\,5(2000-x-y)\]