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This genius iPhone tool takes the stress out of spending money in another country and it only takes seconds to use

Learn how to turn your iPhone into a real-time currency tool that helps you avoid confusion and make smarter spending ...
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Using proportions to solve a word problem with currency

In this video, you will learn how to solve a word problem using proportions. To do this we will identify our unknowns as well as our ratio of terms. We will then proceed to set up a proportion and ...