Rule of Three™ Grocery Store

How much does it cost?


Description

Made for iOS 12

Rule of Three™ Grocery Store

In a problem of proportionality, if you don’t know one datum in a proportion and you know the other three, you can calculate the unknown datum using cross-product. That’s the Rule of Three!


Example:

18.7 oz Kellogg’s Fruit Loops = $ 3.64

43.6 oz = ???

If you use this shortcut, you will get an answer!

You can use this shortcut only if the proportionality is direct.

If you want more, this might be something for you: Rule of Three™


 

Exclusively available on RoutineHub.co

This Shortcut is available exclusively on RoutineHub.co. If you find it somewhere else, it's a fake. Please let me know in the comments below if you found this Shortcut somewhere else. Thanks.

 


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Latest Release Notes

1.0 - Nov. 11, 2018, 11:40 p.m.

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