Question: This bar graph shows the predicted increase in the total number of text messages per person per day in the United States. Use this graph

This bar graph shows the predicted increase in the total number of text messages per person per day in the United States. Use this graph for below Exercises.

Average Number of Texts Sent/Received per Day 60 50 41.5 39.1 40 29.7 30 20 10 2009 2010 2011 Year Texts Sent/Received p

1. Find the increase in the number of texts sent or received per day from 2010 to 2011.
2. In 2010, the average credit card late fee was $35. In 2011, the average credit card late fee had decreased by about $11.85. Find the average credit card late fee in 2011.
3. The driest place in the world is the Atacama Desert in Chile, which receives an average of only 0.004 inch of rain per year. Yuma, Arizona, is the driest city in the United States. Yuma receives an average of 3.006 more inches of rain each year than the Atacama Desert. What is the average annual rainfall in Yuma?
4. A contractor purchased enough railing to completely enclose the newly built deck shown below. Find the amount of railing purchased.

Average Number of Texts Sent/Received per Day 60 50 41.5 39.1 40 29.7 30 20 10 2009 2010 2011 Year Texts Sent/Received per Day 15.7 feet 10.6 feet

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