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Mohit and Ram had a total of 20 pens.Sam had 7 pens more than ram and 2 less than Mohit.

Then how many pens did Ram have?

2
by Kopa2

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Then how many pens did Ram have?

by Kopa2

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so

x+y=20

z-y=7..(1)

x-z=2...(2)

therefore add (1) and (2)

x-y=9

x+y=20

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2x=29

x=29/2

y=11/2

there can't be 11/2 pens please check ur question

Approx answer Will be 5 or 6 pens.. cos the question has some mistake..