a man went to market with some money.with that money he can buy 15 pencils or 25 pens.he kept 15% of that money for bus fare and with rest of the money he purchased 5 pencils and x pens. how many pens he purchased?
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let the total money be a.
cost of pencil=a/15
cost of pen=a/25
15a/100 is kept for bus fare.
for 5 pencils, the cost is 5a/15=a/3
total spend=3a/20+a/3
=29a/60
with thay he could buy 29×25/60 pens.
12 pens
cost of pencil=a/15
cost of pen=a/25
15a/100 is kept for bus fare.
for 5 pencils, the cost is 5a/15=a/3
total spend=3a/20+a/3
=29a/60
with thay he could buy 29×25/60 pens.
12 pens
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