Find number abc
If b49a9 - c613b = bcc1 find number abc. Multiple solutions may exist.Correct answers: 4
#brainteasers #math
African-American inventionIn 1899, "Life Saving Guards for Street Cars" were patented by the black American inventor, J.H. Robinson (No, 623,929), who the previous month was issued a patent for life saving guards for locomotives (14 Mar 1899, No. 621,143). |