Dexter's lawn is 2/3 of an acre. if 7 1/2 bags of fertilizer are needed for an acre, how much will he need to fertilize his lawn?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute