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Question: Stephanie uses the expression m + 4 to calculate the amount owned by her brother, Tim, where m represents the amount owned by Stephanie. How much does Tim own if Stephanie owns $7?


A ) $13
B ) $10
C ) $11
D ) $8

Steps to derive

 [Original expression.]
1 m + 4

 [Substitute 7 for m.]
2 = 7 + 4

 [Add.]
3 = 11

4 So, Tim owned $11.



Hence the right answer is Option C

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