if petey gets a zero on the first it is worth 10 percent of his grade , what must peteys average grade be on everything else to get a B (83 percent) in class

Question

if petey gets a zero on the first test of the spring semester and it is worth 10 percent of his grade , what must peteys average grade be on everything else to get a B (83 percent) in the class

Answer 1

The 83% is 90% of the grade.

 

.9g = .83

g = .92 = 92%