Question

total cost of 6 pens and 4 pencils is RS 60 Total cost of 4 pencil is RS 40. find the cost of one pen and one pencil​

Answer 1

Answer:

Step-by-step explanation:

Hope it helps you

Answer 2

15

Step-by-step explanation:

Let the cost of a pen and a pencil be x and y respectively.

4x + 4y = 100

x+y = 25 ... (1)

3x = y + 15

3x - y = 15 ...(2)

Adding (1) and (2), we get

4x = 40

x = 10

Substitute x = 10 in equation (1) to get

y = 15.

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