Astore put a sweater on sale for half of the original price. the sweaters still did not sell, so the store reduced the price by an additional $10. the sweaters are now priced at $7.50. what is the original price of the sweaters?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Which expression is equivalent to 3^3 + 2^2?