Question

Price of 10 pens and 5 pencils is 95 rupees. Also price of 8 pens and 5 pencils is 81 rupees. What is the price of a pen and a pencil

Answer 1

Answer:

pen=6 and pencil=7

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Answer 2

Step-by-step explanation:

x+ 5 y = Rs 14. where x= cost of 1 pen and y =cost of 1 pencil.

As we can see, the equation satisfies iff x=3 and y= 1

so 10 x + 12 y = 10*3 + 12*1 = Rs 42 Answer.