Answer
a. Simplified Form = -0.44t + 25
b. 16.2 miles
Work Step by Step
a. 0.06t + 0.5 (50 - t)
= 0.06t + 25 - 0.5t
= -0.44t + 25
b. Using given form
0.06t + 0.5 (50 - t) where t is minutes walking to the bus stop
Putting t = 20, (Given)
0.06 (20) + 0.5 (50 - 20)
= 0.06 (20) + 0.5 (30)
= 1.2 + 15
= 16.2 miles
When t = 20, the total distance traveled is 16.2 miles
Using simplified form
-0.44t + 25 where t is minutes walking to the bus stop
Putting t = 20,
= -0.44 (20) + 25
= -8.8 + 25
= 16.2 miles
When t = 20, the total distance traveled is 16.2 miles
