Question

a survey mr thrones class shows that 5 out of 8 students will by lunch how many out of 720 students in the school will buy lunch.

Answer 1

5/8 that's how ratio of students that will buy lunch. so in order to find number students who will buy the lunch out of 720, just multiply 720 with 5/8 ie, 720x5/8 ie 450.

450 is answer