Question

if cost of a copy is Rs 6.50 then what will be the cost of 15 copies​

Answer 1

Answer:

ANSWER

Given total cost of 5 pens and 10 pencil = Rs 30

5 pens + 10 pencils = 30

pens + 2 pencils = 1

also given pen cost 3 more than a pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pens + 2 pencils = 6

_______________

-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1    cost of pen = 4

Answer 2

Answer:

97.5rs

Step-by-step explanation:

cost of 1copy= 6.50rs

cost of 15copies= 6.50×15 = 97.5rs

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