Question

Which decimal is equivalent to the mixed number plotted at point R on the number line?

A.
5.3


B.
5.375


C.
5.38


D.
5.4


http://static.k12.com/calms_media/media/1417500_1418000/1417726/1/b651594cced55e6d969b2f914a57d8a2159cebfc/FGA_130919_161109.jpg

Answer 1

hint:
the number marked with R, is the arithmetic average between 5 1/4 and 5 1/2

Answer 2

Additional hints. 5 1/4 is same as 5 2/8 and 5 1/2 is same as 5 4/8

Answer 3

C?

Answer 4

Don't forget you must convert to a decimal (C is a devious choice placed there by a person who wants you to get it wrong.

Answer 5

Using the method suggested by Michele_Laino, what fraction did you get? Do the decimal later, get the improper fraction first.

Answer 6

B?

Answer 7

Are you guessing or did you divide 3 by 8 and adding the result to 5?

Answer 8

D

Answer 9

hint:
we have:
\[\Large \begin{gathered}
5\;\frac{1}{4} = \frac{{21}}{4} \hfill \\
\hfill \\
5\;\frac{1}{2} = \frac{{11}}{2} = \frac{{22}}{4} \hfill \\
\end{gathered} \]
So:
\[\Large R = \frac{{\frac{{21}}{4} + \frac{{22}}{4}}}{2} = ...?\]

Answer 10

Quit guessing!

Answer 11

0.0 so a sorry

Answer 12

@jordanjamesbay please post the improper fraction that was the average between the two points.

Answer 13

Solve for R in the equation provided for you by @Michele_Laino

Answer 14

43/2

Answer 15

The numerator is correct, but check again the denominator.