Scan QR code or get instant email to install app

Skip to content
#
Mary is x years old. She is 6 years older than her twin brothers Sam and Paul. What is the mean age of the three children?

### Related Information

Question:

A
\(x−4\)

explanation

\(mean= \frac{\mathrm{sum of several given values} }{\mathrm{number of values given}} \)

\( \frac{\mathrm{[x+(x-6)+(x-6)} }{\mathrm{3}}\)

\(\frac{\mathrm{(3x-12)} }{\mathrm{3}}\)

\(\frac{\mathrm{3(x-4)} }{\mathrm{3}} = x-4\)

Take more free practice tests for other TEAS topics with our ati teas practice test now!

Comments

Bebe____

4 years ago

I think this is a good app to use to review for the ATI TEAS.

CupcakeTurner

4 years ago

I feel confident that adding this app to my studying regimen will enable me to score well on the TEAS.

Shelly84852

4 years ago

This app is great practice.