Toni can carry up to 18 lb in her backpack. Her lunch weighs 1 lb, her gym clothes way 2 lb, and her books (b) weigh 3 lb each. how many books can she carry in her backpack?

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Leon Grapenthin · Answer 1 · 2021-03-16T09:37:45+0000

Answer:

Toni can carry a total of 5 books.

Explanation:

$1+2+3b\leq18$ - Write the inequality out .

$3+3b\leq 18$ - Combine like terms.

$3b\leq 15$ - Subtract 3 from both sides .

$b\leq 5$ - Divide both sides by 3.

She can carry a max of 5 books.

Hope this helps!