Question

if the cost of 3 pens Rs18, then the cost of 5 pens​

Answer 1

Answer:

54 is the correct pls mark me as brainliest pls bro I need it

Answer 2

Answer:

$\boxed{ Mark \: me \: as \: a \:Brainliest \: pls }$

Step-by-step explanation:

• the cost of 3 pens = 18₹

• the cost of 5 pens = ? = x₹ then

$\Rightarrow \: x \: = \frac{18 \times 5}{3} \\ \Rightarrow \: x \: = \frac{90}{3} \\ \Rightarrow \: x = 30₹$

Therefore the cost of 5 pens is x = 30₹