Question

if the cost of 3 books is 45 the cost of 9 books will be

Answer 1

Answer:

Step-by-step explanation:

3books =rs.45 then,

1book =rs.45/5

=rs.15

The cost of 9 books =rs.9×15

=rs.135

Answer 2

Answer

=135 Rs

Step-by-step explanation:

Cost of 3 books =45 Rs

Cost of 1 books =45/3=15 Rs

then, Cost of 9 books =15*9=135 Rs

I hope this will help you ✌️