I found an answer from securities.stanford.edu

UrY c` RK

Dec 18, 2009 **...** **It** was hard to **believe** a doctor **could charge**. $20,000 for a five to ten **minute** outpatient procedure. 55. This practice **of** using higher ...

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Assume x to be the number of minutes you can talk, then,

the equation to represent this will be,

1.10 + 0.42 x = 20

0.42 x = 20 - 1.10 = 18.9

x = 45

So, the longest you can talk is 45 minutes.

I found an answer from jbarrueta.weebly.com

**Algebra** 2 YL 3.6 Day 2 **Worksheet** – Real Life Linear Inequalities ...

Define a **variable** and write an **inequality** to model each situation. ... **Suppose you have** a **gift certificate worth $20** for one long-distance phone call.

For more information, see **Algebra** 2 YL 3.6 Day 2 **Worksheet** – Real Life Linear Inequalities ...