A400 gallon swimming pool is being drained. after three hours, 250 gallons have been drained. if the rate of drainage continues, how long will it take to drain the pool?
a.1.875 hours
b. 4.8 hours
c. 5.2 hours
d. 33,333.33 hours

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Jose correctly answered 80% of the questions on a language arts quiz. if he answered 16 questions correctly, how many questions were on the language arts quiz?