Gabby the Goblin has 18 pieces of Halloween candy. Warty the Warlock has half of the amount of Gabby's candy to the 4th power. Sammy the snake has twice Gabby's candy. a) How much candy does Warty have? b) How much candy does Sammy have? c) How much candy do the three friends have in all?
(CONTINUED) a) How much candy does Em have? b) How much candy do Netty and Em have altogether? c) How much candy does Chad have? d) How much candy is there altogether?