The train Chug-a-Lug must be going 153.5 miles to match the same speed as Old Steamy so they can arrive at the station at the same time.
For the first figure the Circumference of the circle is: 5.3
cm.
For the second figure the Circumference of the circle is: 80
inch.
<h3>What is Circumference of the Circle?</h3>
The circumference of a circle is defined as the linear distance around it.
i.e., 
Circumference of the circle:




Circumference 



For the first figure the Circumference of the circle is: 5.3
cm.
For the second figure the Circumference of the circle is: 80
inch.
Learn more about circumference of circle here:
brainly.com/question/23239017
#SPJ1
Answer:
5
Explanation:
Let the number equal x. Half the number is then
x
2
and the reciprocal of that is
2
x
The reciprocal of the number is
1
x
and half that is
1
2
x
then
2
x
+
1
2
x
=
1
2
4
x
+
x
2
x
2
=
1
2
10
x
=
2
x
2
2
x
2
−
10
x
=
0
2
x
(
x
−
5
)
=
0
Zero is not viable solution as its reciprocal is infinity. The answer is therefore
x
=
5
Answer:
Step-by-step explanation:
<u>This a form of the proportional relationship:</u>
- f(x) = kx, where f(x) - total cost, k- cost of each item, x - number of items
<u>We have:</u>
<u>It means:</u>
- Total cost of 5 cupcakes is $12