I actually messed that up..
yxx
y can not be 1 or 0
How many potential area codes are there? I am guessing it is a number less than 999? Sorry.. It is hard to write out equations on a steering wheel.
269 US area codes with 800,000 possible phone numbers each means there are 215 million possible phone numbers. The north American numbering plan will add 1 digit to every phone by 2031 in order to increase the pool of available phone numbers.
How many possible area codes are there ? (yyx)
y...
Guys forgive me for joining just to answer you question. There are 1825 legally licensed hackney carriages (taxis) in the city of Boston. Other communities surrounding Boston license their own taxis. Brookline has roughly 100, Cambridge has roughly 300 etc. etc.
There are around 4,400 in the...