Jerry left a $5.40 tip on a meal that cost $30 . what percent of the meal's cost was the tip? what was the total cost of the meal including the tip?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

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?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.