Question

The weigh of 45 books is 15kg how many books will weigh 63 kg

Answer 1

Answer:

Step-by-step explanation:

let the weight of one object be x kg

45books=15kg

1kg=45/15

     =3books have 1kg weigh

now how many books whose weight is 63kg

=1kg*63=3books*63

            =189books (because we can multiply on both side)