Find number abc
If 7bbca - cbc2a = 4a51a find number abc. Multiple solutions may exist.Correct answers: 29
The first user who solved this task is Nasrin 24 T.
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Traffic signalIn 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. |