math
posted by annoymous on .
Distance Traveled An athlete is 16 miles from home, running toward home at 6 miles per hour.
(a) Write a formula that calculates the distance D that the athlete is from home after x hours.
(b) Determine D when x = 1.5 hours.
(c) Find x when D = 5.5 miles. Interpret the result

D = 16 6x
b) substitute 1.5 for x
c) substitute 5.5 for D