How many pens do a seller have to sell to earn Rs400, if he earns Rs10 per pen
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He would have to sell 40 pen in order to earn ₹400.
Answered by
2
one pen cost - 10 Rs.
let the no of pens be X
X no of pen cost 400
X = 400/10= 40
let the no of pens be X
X no of pen cost 400
X = 400/10= 40
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