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# Solve Problems with Ratios and Proportions

Solve Problems with Ratios and Proportions
What you will learn from this videoWhat you will learn
• We'll learn that a proportion is the comparison of 2 ratios.
• We'll also learn how to set up proportions to solve real life problems.
• And we'll see that this knowledge can help us learn about our classmates, go on a road trip, and make yummy food!
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Level 1

A recipe for a cake calls for 3 cups of sugar to 2 cups of flour. If you are making a bigger batch and using 8 cups of flour, how many cups of sugar do you need?

Level 2

The ratio of milk to tea in your drink is 1:8. If there are 2 ounces of milk in your tea, how many ounces of liquid are there in all?

Level 3

Use cross-multiplication to solve for the missing variable. [ggfrac]2/5[/ggfrac]=[ggfrac]x/15[/ggfrac]

x
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