math
posted by lesi .
sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?

answered by Steve here
http://www.jiskha.com/display.cgi?id=1361413629
posted by lesi .
sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?
answered by Steve here
http://www.jiskha.com/display.cgi?id=1361413629