Question

if 3 pen cost 20 rupees what is cost of 5 pens jldi batao urgent h plz​

Answer 1

Answer:

$3 \: pens \: cost \: = 20 \: rupees \\ 1 \: pen \: cost \: = \frac{20}{3} \\ 5 \: pens \: cost \: = \frac{20}{3} \times 5 \\ = \frac{100}{3} = 33.3 \: rupees$

Answer 2

ANSWER

Rs. 28

Step-by-step explanation:

Given, cost of 5 pens =Rs.20

cost of 1 pen =20/5

= Rs. 4

cost of 7 such pens =4×7

=28