Number, NAPX-I3-NC13 SA Nick bought 6 tennis balls for $42.60. What was the cost of 1 tennis ball. $ Show Answers Only `$7.10` Show Worked Solution `text{One strategy (mental arithmetic):}` `text(C)text(ost of 1 ball)` `= 42.60/6` `= 42-:6 + 0.6-:6` `=$7.10`