Question

Charlene is a writer who is going on a trip. she has brought several copies of her latest book in her suitcase. the suitcase itself weighs 5 pounds and each book weighs 3 punds. if her full suitcase can weigh no more than 50 pounds how many books can she bring

Answer 1

i think is like this: 5 + 3x  ≤ 50

                          -5+3x ≤50-5

                               3x ≤45

                          divide by 3 , x= 15

Answer 2

Full suitcase can weigh no more than 50 pounds.

Total number of books bring in suitcase is 15.

Given:

        Weight of the suitcase = 5 pounds

         Weight of each book = 3 pounds

let:

       Total number of books = x

According to question

         $5+3x$ ≤ $50$

         $3x$ ≤ $50-5$

         $3x$ ≤ 45

         $x$ ≤ $15$

Therefore, total number of books bring in suitcase is 15.

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