Question

20 folders 15 pen cost995 what is the cost of 12folder 9 pens​

Answer 1

Answer:

₹597

Step-by-step explanation:

Let the cost of 1 folder be ₹x

and the cost of 1 pen be ₹y

then,

20x + 15y = ₹995

5(4x + 3y) = ₹995

4x + 3y = ₹199 --- (1)

Now,

Cost of 12 folder and 9 pens = 12x + 9y

3(4x + 3y)

3×199

₹597

Ans.