Acyclist rode the first 32 mile portion of his workout at a constant speed. for the 28 mile cooldown portion of his workout, he reduces his speed by 2 miles per hour. each portion of the workout took the same time. find the cyclists speed during the first portion and find his speed during the cooldown portion.

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.