In this lesson, students learn how to solve a word problem using ratios and proportions. By setting up a comparison between one quantity and another, a proportion is formed which allows the student to find the value of an unknown variable. Through the use of inverse operations, the student can determine how much US dollars is equivalent to a certain amount of euros, making this lesson an essential guide for anyone seeking to solve word problems with ratios.
How to solve a word problem using ratios
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Questions answered by this video:
How do I solve a word problem using ratios?
If Trent purchased 44 euros worth of souvenirs on vacation, and the exchange rate is $1=.678 euros, then find the cost in U.S. dollars.
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In this lesson, the teacher shows an example of how to solve a word problem that involves ratios.