A person

A person buys 10 kg of commodity A at a rate of 2 kg per dollar, 20 kg of commodity b at a rate of 5 kilograms per dollar, and 30 kg of commodity C at a rate of 10 kg per dollar. Find the average price kg per dollar.

Correct answer:

p =  5 kg/USD

Step-by-step explanation:

m1=10 kg m2=20 kg m3=30 kg  c=m1/2+m2/5+m3/10=10/2+20/5+30/10=12 USD  p=cm1+m2+m3=1210+20+30=5 kg/USD



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