A sports equipment store sold ping pong rackets for a total of $539. If the average (arithmetic mean) price of a pair of rackets is $9.8, how many pairs were sold?	Pick one:  A) 55  B) 100  C) 490  D) 500  E) 980
Average price for a pair of rackets = $9.8   Total cost = $9.8*x = $539   x = 55 pairs were sold.   55NSWER:55
<result>A</result>
A sports equipment store sold ping pong rackets for a total of $539. If the average (arithmetic mean) price of a pair of rackets is $9.8, how many pairs were sold?