In the group of some students , it was found that the ratio of the number of football - and basketball - lover is 9:10 . % of them liked both games , 25 % liked only football 45 did not like both the games . ( i) Find the total number of students in the group . ( ) Illustrate the above information in a Venn - diagram .

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Which of the choices shown could be used to prove that aacp=abcp ?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list