Tickets to a musical cost $30 for adults and $12 for children. at one particular performance 960 people attended and $19 080 was collected in ticket sales. find the number of adults and the number of children who attended the performance.

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82