## Maths Mystery Box 7: PHONES

February 18, 2015**Middle school maths challenge**

**Algebra & texting**

or **LGbra & txtN**

According to a Nielsen Survey the Average US teen sends 3,000 txt messages a month. Averages don’t tell us very much. As this fab post at Maths PLUS explains. The average number of ears on 5 people is 1.8 if one dude has one ear. The Nielsen study did show the averages by gender. * ** *

This is the maximum cost per txt for pre-paid phone cards. Anyone who sends this many txt messages a month would be crazy if they didn’t use a monthly phone plan.* *

**HELP ME!**

**Some txts are serious. Very serious.**

**The 24/7 CRISIS TEXT LINE in the USA has helped many teenagers in crisis.**

**The phone no. in the USA is **

**741741**

**the numbers down the Left of the phone.**

**OR from outside USA add code here.** **You can find details of the Crisis TEXT LINE in R U There? By Alice Gregory, The New Yorker (9 FEB 2015)**

** ………………………………………………………..**

**Ha Ha!**

**Some txts are NOT serious.**

**Would you pay for this?**

Posted in 10 Maths Mystery BOX challenges, algebra, Averages, Middle School, Txt Msg Maths **|** Tagged Australia, class, cost, CRISIS TEXT LINE, equation, funny, Math %, message, msg, phone, teen, text, txt, UK, USA **|**

[…] 7. Maths Mystery Box 7: PHONES […]

by MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig …………………………………………………. with Kerry Cue | Mathspig April 25, 2015 at 8:24 am[…] 7. Maths Mystery Box 7: PHONES […]

by MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig …………………………………………………. with Kerry Cue | Mathspig April 25, 2015 at 8:58 am[…] 7. Maths Mystery Box 7: PHONES […]

by MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig MathsPig …………………………………………………. with Kerry Cue | Mathspig April 25, 2015 at 8:59 am