Dang that’s hard ur by ur self
<u><em>Answer:</em></u>
Elena's running speed is 5 miles/hour
<u><em>Explanation:</em></u>
The speed is defined as the covered distance per unit time
<u>In the problem, we have:</u>
The distance covered is the length (circumference) of the circular track which is given as of a mile.
We are also given that she completes each lap (she completes of a mile) in of an hour
To get her speed, we will divide the distance covered by the time taken to cover this distance
<u>This is done as follows:</u>
speed = miles/hour
<u>This means that:</u>
Elena can run 5 miles each hour
Hope this helps :)
If x=girls,
then we have 3x boys.
We know that all children are boys+girls, so x+3x, which is 4x and 4x is 48, so one x is 12.
So there are 12 girls and 36 boys.
Answer:
x = -2
Step-by-step explanation:
x - 8 = -10
(+8 on both sides to leave x by itself)
x = -2
Answer: A
Step-by-step explanation:
72/9 simplified is 8/1
you can check by dividing by the Greatest Common Factor which
happens to be the denominator in this situation.