The Associative Laws say that it doesn't matter how we group the numbers (i.e. which we calculate first) ... ... when we add : (a + b) + c = a + (b + c). ... or when we multiply : (a Ã b) Ã c = a Ã (b Ã c).
To complete the PCT in two months (or less) you will need to average approximately 43.6 mi / 70.2 km per day (this was my longest day on trail).
1 After your TST is administered, you must return to the same DOH TB testing location within 48-72 hours to have your TST read. 2  For persons needing a two-step TST, the entire process takes a minimum of 9 calendar days and you will receive a total of two TSTâs.