4. Serenity is four years younger than twice her brother's age. Serenity is 18 years old. Which model and solution best represents x, the age of Serenity's brother?
X7
-
JOOL
7
=
DOS
X=11
JE
COS
11

Explain how you can use the associative property to evaluate (7x50)x4.

Item 1 solve for s. s+24=90 −114 −66 66 114

Questions 7-8. use the following table to answer. year 2006 2007 2008 2009 2010 2011 2012 2013 cpi 201.6 207.342 215.303 214.537 218.056 224.939 229.594 232.957 7. suppose you bought a house in 2006 for $120,000. use the table above to calculate the 2013 value adjusted for inflation. (round to the nearest whole number) 8. suppose you bought a house in 2013 for $90,000. use the table above to calculate the 2006 value adjusted for inflation. (round to the nearest whole number)