Divide 20 by 2
20/2 = 10
Add and subtract 0.5* from 10
10 + 0.5 = 10.5
10 - 0.5 = 9.5
Those two numbers are your answer.
*The reason why we used 0.5 because the difference is 1, so divide 1 by 2.
Have an awesome day! :)
Answer:
D .
Step-by-step explanation:
that is the answer to the question
In this case you have:

An hour has sixty minutes.

<span>You must multiply by this equality.
</span>

<span>You must multiply by 60 and you can convert miles per minute to miles per hour.</span>
Easy
if x is the number
sqrt x is between 17 and 18
17<√x<18
squaer the whole thing
289<x<324
x could be 300
it could be sqrt of 300
√300=10√3
one is 10√3