Question

The cost of 8 pens are same the cost of 2 books. Abhinav bought 4 pens and 5 books for $ 60. Find the cost of 1 book.

Answer 1

Answer:

let the cost of one pen be x and cost of one book be y

Step-by-step explanation:

cost of 8 pens = 8x

cost of 2 books = 2y

given 8x=2y

4x=y

Also 4 x + 5y=60

y + 5y = 60

6y = 60

y=10

so cost of one book is $10

Answer 2

Answer:

here the answer you can check but it's not correct