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Mike had $12. He bought a book for $4 and a record for $5. How much did he spend ?

1 Answer

4 votes

Answer:

12=4+5+x

12-9=9-9+x

3=x

Explanation:

  1. use x to represent the amount left
  2. solve for x

$3 left means that he spent $9

User Marcel Marino
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