SOLUTION: a recent survey determined that 7 out of 9 students eat school lunch at least once a week.If 450 students were surveyed ,how many eat school lunch at least once a week?

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: a recent survey determined that 7 out of 9 students eat school lunch at least once a week.If 450 students were surveyed ,how many eat school lunch at least once a week?      Log On