A one pound bag of skittles contains 300 pieces of which 28% are red. How many skittles were red?

A50% increase followed by 33 1/2% decrease

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?