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).
Â· just now. Report Abuse. PCP can stay in your system for a minimum of 4 to 6 hours and a maximum of 7 to 14 days. Everyone's body is different so these rates will have slightly different time frames depending on your body.Source(s): NIDA Website. Halle Â· 9 years ago. just now. Report Abuse. PCP can stay in your system for a minimum of 4 to 6 hours and a maximum of 7 to 14 days. Everyone's body is different so these rates will have slightly different time frames depending on your body.