Question

on a recent trip a trucker traveled 220 miles at a constant rate because of road conditions the trucker then reduce the speed by 25 mph an additional 30 miles traveled at a reduced rate the entire trip took five hours find the rate of the tracker for the first 220 miles

Answer 1

55 mph

if we assume it takes an hour for the last 30 miles then the rest of the time the trucker could go 55