Question

if 12 pens cost 60 rupees , what is the cost of 15 such pens​

Answer 1

Answer:

Let the cost of 15. pens be x

12 : 60 :: 15 : x

12/60 : 15/x

1/5 : 15 /x

3 x

Answer 2

Step-by-step explanation:

Given -

12 pens cost 60 rupees ,

To find -

cost of 15 such pens

Solution -

if 12 pens cost 60 rupees then coast of 1 pen is ️ ➡️. 60/12 = 5 rupees

then, coat of 15 pens ️ = 15×5 = 75 rupees

cost of 15 such pens is → 7️⃣5️⃣