Question

if the cost price of 3books is 90rs then what is the cost price of 12 books​

Answer 1

Answer:

360 rupees

Step-by-step explanation:

3 books =RS 90

I book = RS 90/3

=30 rs.

thus, 12 books = 30×12

= Rs 360

Answer 2

Answer:

the cost of 3 books= 90

the cost of 1 book=90÷3

the cost of 12 books= 30×12

=360

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