80kg tea of variety A, costing rs 135per kg is mixed with 20 kg tea of variety B ,costing Rs. x per kg of the resultant mixture costs Rs 4720. How much d oes 32 kg of variety B cost ?
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Step-by-step explanation:
I dont know but I get hint to you please see it Since first and second varieties are mixed in equal proportions so their average price
=(
2
126+135
)=Rs.130.50
So, the mixture is formed by mixing two varieties one at Rs.130.50 per kg
And the other at say Rs.x per kg in the ratio 2:2 i.e. 1:1.
We have to find x.
By the rule of alligation, we have
1=
22.5
x−153
153+22.5=x
⇒x=Rs.175.50
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