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Yesterday, Mary had n baseball cards. Today, she gave 18 away. Using n , write an expression for the number of cards Mary has left.​
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Yesterday, Mary had n baseball cards. Today, she gave 18 away. Using n , write an expression for the number of cards Mary has left.​

User Michael Whatcott
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1 Answer

13 votes

Answer:

n-18

Explanation:

User Karl D
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