Mathématiques

Question

in the book Shop Bryan buys 3 exercices books at 4 $ each and 5 folders. He spends 42$ .
a )Write an equation to allow you to calcute the price of a folder.
b) Solve this equation and give the price of a folder.​

1 Réponse

  • a) 12 + 5x = 42

    b) 12+5x = 42

    12 + 5x - 12 = 42-12

    5x = 30

    x = 30/5

    x = 6

    The price for 1 folder is 6$

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