Find number abc
If 925ab - 117bc = a0ac9 find number abc. Multiple solutions may exist.Correct answers: 2
#brainteasers #math
Letter boxIn 1891, Philip B. Downing, inventor, was awarded a U.S. patent for an improvement to the street letter (mail) box. This improvement in the covering and opening of outdoor mailboxes protected mail from both intruders and weather. It is relatively unchanged to this day. (No. 462,093) |