Answer:
Please refer to the above attachment...
(sorry for bad handwriting:P)...
Step-by-step explanation:
I hope it helps...:)
10 and 4
4 - 2 = 2
10 + 2 = 12
under 21 years of age= 40 25 20 tot= 85
between 21 and 40= 35 20 30 tot = 85
over 40= 20 30 35 tot = 85
If one of the 255 subjects is randomly selected
P (over 40) = 85/255 = 1/3
Hope this helps!
<u>Answer:</u>
Distance = 3r
<u>Step-by-step explanation:</u>
We are to write an algebraic expression and then simplify it for the given situation:
<em>The distance traveled by a train in three hours with a constant speed of r miles per hour.</em>
We know the formula of distance linking the speed and the time.
Distance = speed × time
Substituting the given values to get:
Distance = r × 3
Distance = 3r
