Concert venue sells adult tickets for $15 and student tickets for $10 . monday, a total of 85 tickets were sold, and the total money collected was $1,115 . how many adult tickets and how many student tickets were sold?

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18