You can
put this solution on YOUR website!
It will pull your average down. How much depends on how many
tests you have already taken. The more tests you've taken
the less the 78 will pull your average down.
If you have | a 78 on the
an 85 average | next test
on this many | will pull
tests | your average
already | down to this
-----------------------------
1 | 81.5
2 | 82.7
3 | 83.3
4 | 83.6
5 | 83.8
6 | 84
Edwin