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Home Q & A Board Science-Related Homework Help Mathematics
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violin13 violin13
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4 years ago
Solve the problem using the strategy of your choice.

Three people have telephone prefixes whose three digits have the same sum. One of the prefixes is 448. None of the prefixes contains a digit that is in one of the other prefixes. None of the prefixes has a first digit of 6 or 1. One of the prefixes begins with 5. Another ends with 2. What is the prefix that ends with 2?

▸ 372

▸ 772

▸ 592

▸ 962
Textbook 
Thinking Mathematically

Thinking Mathematically


Edition: 6th
Author:
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shawntageshawntage
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4 years ago
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violin13 Author
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4 years ago
Thanks
Brownr40
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Yesterday
Helped a lot
smdavis
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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