A zoo ha 80 animal in total between 10 cm and 60 cm tall. There are twice a many animal horter than or equal to 20 cm a there are taller than 50 cm. There are three time a many animal between 20 and 30 cm a there are taller than 50 cm. 25 60 of the animal are horter than or equal to 40 cm. Of the animal are taller than 30 cm but horter than or equal to 50 cm. Uing thi information, copy and complete the cumulative frequency table
