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 set of school uniform consists of a shirt w and a pair of trousers f

1.	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.	\[5x-3y-17\]
Answer» C. \[5x+3y-17\]