has an average of 95 after 4 tests. What is the lowest score she can get on test 5 and still keep her "A" average? The test are all 100 pts.

Use the grading scale below:
93-100 A
85-92 B
77-84 C
69-76 D
<69 F

This is one of those SHOW ALL YOUR WORK AND EXPLAIN HOW YOU GOT YOUR ANSWER problems.