Bruce rents snowmobiles to tourists. he charges $135 for 4 hours and $202.50 for 6 hours. what is the hourly rate bruce charges to rent a snowmobile?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days