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

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for calculator of harmonic mean?
Looking for a statistical calculator?
Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.

You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: