The cost of 40 packets of pens having 12 pens each is 1680. Find the cost of 30 packets, each
containing 9 pens. please give me a simple solution
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Answer:
420
Step-by-step explanation:
40 packets =12 pens
1 packet=12/40 pens
30 packets =12/40*30 pens
=9
12 pens =₹1680
9 pens =₹1680/12*9
=₹420
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