question_answer

A set of school uniform consists of a shirt w and a pair of trousers for boys and a blouse and a skirt for girls. A shirt costs Rs. x and a pair of trousers costs Rs. 5 more. A blouse costs Rs. y and a skirt costs Rs. 3 more. A class has 40 pupils of which 25 are boys. Each pupil orders 2 sets of uniform. Find (in simplest form) in terms of x and y, the total amount in rupees paid by the pupils.

A)  \[5x-3y+17\]  

B)  \[5x+3y+17\]

C)  \[5x+3y-17\]

D)  \[5x-3y-17\]