Josh is trying to buy a new smartphone for $400. he earns $25 per hour tutoring math students. he also earns $40 per hour being a clown at children's birthday parties. his parents will only allow him to work for 13 hours. how many hours does he need to spend being a clown ?

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