Answer:
choice 4
Step-by-step explanation:
t = treadmill time
w = wt lift time
70 is total time
so t+w = 70
next t is 20 more than w
t = w+20
Google is good for this, all you have to do is type in the question like that and it should work :)
But the answer is 72.5% I do believe
Answer:
See below in bold.
Step-by-step explanation:
Mean = 150 cm = 150 * 0.033 feet
= 4.95 feet.
The standard deviation = 10 cm = 10 * 0.033
= 0.33 feet.
19. No
20. No
21. Yes
23. 1.8 miles
