50 xxxx -123 = -73
It usually means that is the amount of number and its spacing. xxx-xxx-xxxx can be replaced by 123-456-7890. (xxx) xxx-xxxx would be a phone number such as (408) 123-4567
The answer of 17 + 123 is 140 and then minus 50 is 90
50% of 123 is the same as 123/2, which equals 61.5.
% rate = 50/123 * 100% = 40.65%
XXXX (40) or XL (50-10)
123.34 = 123 34/100 = 123 17/50
3 can go into 123 41 times.
The whole of London is (020) xxxx xxxx or +44 20 xxxx xxxx.
Look on the back of your manual and there should be a bunch of number and letters XXXX - XXXX - XXXX - XXXX - XXXX
-1.46 = -146/100 = -123/50
41/50
2.46 = 123/50