Mathematics, 03.02.2021 18:40 lamondrairving

Define a variable, write an equation and SOLVE the equation. Sandy had 189 dollars to spend on 9 books. After buying them she had 18 dollars. How
much did each book cost?

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Define a variable, write an equation and SOLVE the equation. Sandy had 189 dollars to spend on 9 books. After buying them she had 18 dollars. How much did each book cost?

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Another question on Mathematics

Define a variable, write an equation and SOLVE the equation. Sandy had 189 dollars to spend on 9 books. After buying them she had 18 dollars. How
much did each book cost?