Aswimming pool had 2.5, point, 5 million liters of water in it. some water evaporated, and then the pool only had 2 million liters of water in it. what percent of the water evaporated?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

24m^2n+30mn^2+18mn, a sweet challenge!