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Solution of a problem using the compound rule of three with some recommendations for solving other problems: A farmer owns 1800 sheep, for which he has food for 20 days. He decides to sell a certain number of them and give the rest 4/5 of the ration so that the food lasts 10 more days. How many sheep did the farmer sell in total? Complete course of Ratios and proportions Rule of 3 • Ratios and proportions Rule of three... _________________________________________________________________ If you want to help me so that the channel continues to grow you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: paypal.me/profeAlex Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Download my MathAlex app: http://onelink.to/vmcu3e Visit my website: https://www.matematicasprofealex.com Follow me on my social networks: Facebook: / matematicasprofealex Instagram: / matematicasprofealex Contact Only business, press: [email protected] 0:00 Greeting 0:22 Concepts that you should know 00:53 Solution of the example 4:20 Graph 14:50 Practice exercise