The Arnolds purchased 550 square feet of Kentucky Gem sod at $1.99 per square foot and 270 square feet of Zelzea Blue sod at $1.38 per square foot. What was the approximate average price per square foot paid for all the sod?	Options.
A) $1.63
B) $1.64
C) $1.68
D) $1.72
E) $1.79
Average price = (550*1.99)+(270*1.38)/550+270=1.79 (Approx)   Answer $1.79
<result>E</result>
The Arnolds purchased 550 square feet of Kentucky Gem sod at $1.99 per square foot and 270 square feet of Zelzea Blue sod at $1.38 per square foot. What was the approximate average price per square foot paid for all the sod?