if the cost of 30 packets of 8 pencils each is rupees 600, what is the cost of 25 packets of 12 pencils each
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30 packets of 8 pencils= rs600
1 pencil= 600/30*8= rs2.5
25 packets of 12 pencils = rs12*25*2.5=rs750
1 pencil= 600/30*8= rs2.5
25 packets of 12 pencils = rs12*25*2.5=rs750
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