# Math

Hi. Is this okay?

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation.

Equations and Inequalities are similar but different things. And equation is a mathematical sentences with an equal sign. An inequality is a mathematical sentences in which contaibs with <, >, ≤ ≥≠. A real life example would be:

Madeline has \$45. She wants to get a gift for Lauren, Emma, and Jenna. She needs to know that she has enough money.

3x≤\$45
3x/3=\$45/3
x=\$15

This means that Madeline can spend a maximum of \$15 on each person.

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1. inequalities may have a range of solutions, equations have specific solutions.

No on your example, she could spend one dollar on one, 30 dollars on the second, and then the rest on the third.
x+y+z<= \$45 is a better inequality....

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2. K thx

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posted by Tate
3. Would this sound better?

An airline says you can only have 50 lb. Per person on a flight. You pack a 38 lb. bag. How much can your second bag weigh?

38 + b ≤ 50
38 + b - 38 ≤ 50 - 38
b ≤ 11 lb.

This means if the first bag weighs 38 lbs., the second bag can only weigh 11 lbs.

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posted by Tate
4. b ≤ 12

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posted by kittie

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