Question

If 4 books cost rs280,what will be the cost of 15 books?

Answer 1

Answer:

4 books=₹280

1 book=₹280÷4=₹70

15 books=₹70×15=₹1050

Answer 2

Step-by-step explanation:

let the cost of 1 book be 'x'

4x= 280

x= 70

15x=??

15x70 = 1050

therefore the cost of 15 books is ₹1050

hope it helped you:)