Question

. If the cost of 5 pens is Rs. 125 then find the cost of 8 pens.​

Answer 1

Answer:

Rs. 200

Step-by-step explanation:

If the cost of 5 pens=Rs. 125

Then the cost of one pen=125/5

Therefore,the cost of 8 pens=125/5×8

=25×8

=200

=Rs. 200

Answer 2

$cost \: of \: 5 \: pens \: = 125 \\ cost \: of \: 1 \: pen \: = \frac{125}{5} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 25 \\ cost \: of \: 8 \: pens = 8 \times 25 \\ = 200$