Question

17 - The total cost of 3 pens and 4 note books is Rs32 if
the cost of a note book is Rs 1 more than the cost
of each pen. Find the cost of each pen​

Answer 1

Answer:

Step-by-step explanation:

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

solution

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