Question

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Enter an inequality that represents the description, and then solve.

Toni can carry up to 13 lb in her backpack. Her lunch weighs 1 lb, her gym clothes weigh 3 lb, and her books (b) weigh 3 lb each. How many books can she carry in her backpack?

The inequality is:

Toni can carry up to
books in her backpack:

Answer 1

The inequality is 3b + 1 + 3 ≤ 13. The maximum number of books that Toni can carry is 3.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

An independent variable is a variable that does not depends on other variable while a dependent variable is a variable that depends on other variable.

The inequality that represent this situation is:

3b + 1 + 3 ≤ 13

3b + 4 ≤ 13

b ≤ 3

The inequality is 3b + 1 + 3 ≤ 13. The maximum number of books that Toni can carry is 3.

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