39 packets of 12 pens each costs Rs.374.40. Find the cost of 52 packets of 10pens
each.
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Answer:
The total numbers of pens in 39 packets=12*39
the total pens are 469
39 packets of pens cost is 374.40
cost of one pen=374.4/468=0.8
find the cost of 52 packets=52*10=520
0.8*520
=re.416
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