John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find

2 answers

find what?
total points for 4 tests @ 96 = 384
points so far: 94+98+98

so, how many does he need on the last exam?

Hint: 96 is the average of 94 and 98