SOLUTION: dear tutor,please answer, (this question is based on unitary method) 52 packets with 12 pencils each,cost Rs 499.20.find the cost of 65 packets of 10 pencils each.

Question 85439: dear tutor,please answer,
(this question is based on unitary method)
52 packets with 12 pencils each,cost Rs 499.20.find the cost of 65 packets of 10 pencils each.
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!
dear tutor,please answer,
(this question is based on unitary method)
52 packets with 12 pencils each,cost Rs 499.20.find the cost of 65 packets of 10 pencils each.
`
`
52 packets of 12 pencils each is 52�12 or 624 pencils
So if Rs 499.20 is the price of 624 pencils, then 1 pencil costs
499.20 � 624, or Rs 0.80.
`
65 packets of 10 pencils each is 65�10 or 650 pencils
So since 1 pencil costs Rs 0.80, then 650 pencils costs 650�0.80 or Rs 520.
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