Halloween decimal operations practice

Mike is buying a skeleton costume, a pumpkin pail, and a pack of spider rings. How much change will he have left from $10.00?
Janie's mom is buying a safety light for each of her 4 children. How much change will she have left from $20.00?

Evie has $5.00. She is buying a pack of monster fangs and fake scars for her borther, and a trick-or-treat bag for her sister. What is her change?
Which can Oliver afford to buy with $8.00: a Frankenstein T-shirt and a pumpkin head, or a policeman costume and a safety light?
Krissy used $10.00 to pay for a clown wig. How many packs of spooky stick-ons can she buy with her change?
Emily and her cousin each have $4. They are buying a creepy sounds cassette, a Glow-in-the-Dark poster, and a string of Halloween lights. Will they have enough to cover the cost? If so, how much money will be left over?
Kelly has $6.00. Can she buy 13 or 14 bags of trail mix?
How many pieces of bubble gum will she be able to buy with the change?
Today's special is $2.75 off the regular price of a cheerleader costume. How much will Sally spend if she buys a pumpkin necklace, a ghost T-shirt, a mystery mask, and a cheerleader costume?