Kay walks upstairs to make her legs stronger. every day at work, she walks up 9 flights of stairs. if there are 13 steps in 1 flight of stairs, how many steps does kay climb in 5 days at work?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?