Answer-The cost of 2 pencils and 3 pens is RS. 55 and the cost of 7 pencils and 2 pens is RS. 65. What is t...

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let the price of one  pencil  x and the price of one pen  y ATQ- 2x  3y  55 .....1 7x 2y  65 ......2  Equ1 multiply by 2 and eq 2 multiply by 3 4x 6y  110 21x 6y 195 17x  85 x  5 put the value of x in eq 1 y 15 now price of  1 pencil  1 pen  515 20

The cost of 2 pencils and 3 pens is RS. 55 and the cost of 7 pencils and 2 pens is RS. 65. What is the total price (in R

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