Telegram system, 1st 15 words in x rupees, next per letter in y rupees, if z > 15 whatis the total cost of c?

x+(z-15)*y

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sangita

  • Apr 28th, 2006
 

please give explanation.

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ANUJ JINDAL

  • Jun 7th, 2006
 

here z is no of words in tele

and given z>15 so

cost is =x+y(z+n)

i.e cost of 15 leyyer is x+y per letter

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