Question

if the cost of 15pens 60rs then find the cost of 20 pens​

Answer 1

Answer:

30 rupees is the correct answet

Answer 2

Answer:

the cost of 15pens = rs60

then, the cost of 1pen is = 60÷15 rs

then, the cost of 20 pens =( 60÷15)×4 rs

                                          =16rs

Step-by-step explanation: