SOLUTION: 1.1 To obtain Grade A, Gumede must achieve an average of at least 75 in six tests. If his average mark for the first five tests is 73, what is the lowest mark he can get in his tes

Algebra ->  Average -> SOLUTION: 1.1 To obtain Grade A, Gumede must achieve an average of at least 75 in six tests. If his average mark for the first five tests is 73, what is the lowest mark he can get in his tes      Log On


   



Question 1115308: 1.1 To obtain Grade A, Gumede must achieve an average of at least 75 in six tests. If his average mark for the first five tests is 73, what is the lowest mark he can get in his test and still obtain Grade A?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28A%2BB%2BC%2BD%2BE%29%2F5=73
A%2BB%2BC%2BD%2BE=365
So then,
%28A%2BB%2BC%2BD%2BE%2BF%29%2F6%3E=75
A%2BB%2BC%2BD%2BE%2BF%3E=450
Substituting from above,
365%2BF%3E=450
F%3E=450-365
Work that out for the answer.