One Hundred Sixty-Eight Inches of String

 

          One hundred sixty-eight inches of string were used to make these squares, which are all the same size.  What is the total area of the 10 squares?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Juan’s Church

 

          Juan donates 10% of his salary to his church.  He earns $3500 per month.  He used to earn $3200, and he gave the same dollar amount.  What percent of his income did he donate to the church when he earned $3200?

 


A Lot of Stuff

 

          A patch of grass measuring 6 feet by 6 feet requires two ounces of fertilizer.  How many pounds should be used on a lawn that measures 30 feet by 75 feet?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Assignment  

          Pg 178,  #3  (hint – what fraction (or %) of the passengers are the 68 men?  How many passengers are there?  How many passengers could the plane hold?)

          #5 (hint:  Area of circle is Œr2 ; white regions are each ¼ of a circle – what is its radius?)

          #7

          Pg 182 - #2