Mary had 18 fish in her fish tank.
she transferred 12 of the fish to
her broiher's fish tank. how many
fish were left in mary's tank?

1foot = 12 inches; 1 yard = 3 feet

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

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