7. melanie measured the mass of three textbooks. • the mass of the math book is 9/10 kilogram. • the mass of the science book is math book. 3/10 kilogram less than the mass of the • the mass of the reading book is 2/10 kilogram greater than the mass of the science book. part a what is the mass of the reading book? a 4/10 kilogram b. 5/10 kilogram 8/10 d. 14/10 kilograms
