To find the average speed for the whole race, you just have
to add the speed from a starting marker and the speed from the turnaround
marker going back and divide it by 2 since there are only two speeds involved.
10 m/s + 16m/s = 26 m/s / 2 = 13 m/s
Therefore, the average speed for the whole race is 13 m/s.
Answer:
1/5 + 1/5 + 1/5 + 1/5 = 4/5
Step-by-step explanation:
I believe your answer is C
Answer:

Step-by-step explanation:
Convert the mixed numbers to improper fractions, then find the LCD and combine and getting you -2 7/12
<u>Hopes this helps</u>