Question

one dozen exercise books are priced at rs 39 what is the price of of 5 exercise books​

Answer 1

Answer:

Rs 16 P 25

Step-by-step explanation:

Let the price of book be x.

Therefore, 12x = 39

12x = 39

5x = (5x × 39)/12x ( Reason, cross multiplication)

= (5 × 39)/12

= 195/12

= 16.25

Tgerefore, Price of 5 Books is 16 ruppes and 25 paise

Answer 2

Answer:

RS 16.25

Step-by-step explanation:

1 dozen = 12

so,

12 exercise books = Rs 39

1 exercise book = RS 39/12 = RS 3.25

5 exercise books = RS 3.25 * 5 = RS 16.25