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Find number abc

If aaaba + c1295 = 1501bb find number abc. Multiple solutions may exist.

Correct answers: 3

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Why Germans...

Why Germans don't play Scrabble...
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Traffic signal

In 1923, African-American Garrett Morgan (1877-1963) patented an automatic traffic signal. He later sold the technology for the Morgan traffic signal to General Electric Corporation for $40,000. His invention came after he had seen an automobile crash into a horse-drawn carriage. Morgan was distressed by that traffic accident, and so he developed a new way to make streets safer for motorists and pedestrians.

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