Question

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?

Answer 1

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!