Composed Rule of Three

Contains ads
5.0
64 reviews
10K+
Downloads
Content rating
Everyone
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About this app

Composed Rule of Three is an application for the daily life, which is not always at hand everything you need to perform simple operations like:
"If 3 orange cost 8 dollars, how much do 20 oranges cost?"

Perform rules of three (cross-multiplication), simple or compound, direct or inverse, very quick and easy. As we did in school, and very useful to reinforce concepts and test results for typical exercises:
"A cow gives me two liters of milk in 10 hours, how many hours did it take me 3 cows in 30 liters of milk?"
"A worker takes 3 hours to build a wall, how many workers are needed to build two walls in five hours?"

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Updated on
Feb 7, 2013

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

5.0
63 reviews
MTFBWM
June 8, 2021
I have used this app for years, across no less than 5 phones. It works flawlessly. I would give it 10 stars if I could.
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