Question

From a book fair Shashank bought x books at the rate of Rs. 4 per book, why book at the rate of Rs. 5 per book and 7 books at the rate of Rs. X aur book and 8th books at the rate of Rs. y per book. how many rupees did he spend?​

Answer 1

Answer:

see

Step-by-step explanation:

Correct option is A)

Total sale = ax + (a+2 ) (x+2) +( a -2) (x -2)

= (ax) + ax + 2a + 2x + 4 + ax - 2a - 2x + 4

⇒ 3ax + 8 Rs