Playing soco
year
number (millions).
21. the table shows the number of youth 7 years and older who played
soccer from 2004 to 2012
a. find the percent of change from 2008 to 2012. round to the
nearest tenth of a percent. is it an increase or decrease?
2004
12.9
2006
13.7
2008
13.3
b. find the percent of change from 2006 to 2008. round to the
nearest tenth of a percent. is it an increase or decrease?
2010
14.0
2012
13.8
22. shoe sales for a certain company were $25.9 billion. sales are
expected to increase by about 20% in the next year. find the
projected amount of shoe sales next year.
23. be precise eva estimates that 475 songs will fit on her mp3 player.
the actual amount of songs that fit is 380. find the percent error.