III. Solve for average speed.
A truck driver makes a trip that covers 2, 380 km in 28 hours. What is the driver's average speed?
1
This is what you know:
distance:
d = 2, 380 km away
time:
t = 28 h
2 This is what you need to find out:
average speed
3 Use this formula:
Speed =
distance travelled
time of travel
or
S=d/t
4 Substitute:
the values for d and t
into the formula and divide.
S =
Answer: The average speed is​