IXL | One-step inequalities: word problems

Camille ordered 3 cups of coffee from her favorite coffee shop in the first half of November. By the end of November, Camille had earned free refills for ordering more than 8 cups of coffee in a month.

Let

represent how many cups of coffee Camille ordered in the second half of November. Which inequality describes the problem?

Solve the inequality. Then, complete the sentence to describe the solution.

Camille ordered more than cups of coffee in the second half of November.

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Learn with an example

question

Lexi made fruit punch for her Fourth of July party and split it equally among 50 cups. There was more than 8 fluid ounces of punch in each one.

Let

represent how much punch Lexi made. Which inequality describes the problem?

≥

Solve the inequality. Then, complete the sentence to describe the solution.

Lexi made more than fluid ounces of punch.

solution

The variable

represents how much punch Lexi made. Since she split the punch equally among 50 cups, the expression

represents how much punch was in each cup.

And, since there was more than 8 fluid ounces of punch in each cup,

must be greater than

This inequality shows the relationship.

Now, solve for

Multiply both sides by 50

Simplify

400

Simplify

So, Lexi made more than 400 fluid ounces of punch.

Looking for more? Try these:

Lesson: Solving inequalities

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Lesson: Solving inequalities

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