Not really sure whats up with that inequality but she can't, if she has to spend 1.5 hours in a lab that leaves her with 5 hours. 5/4 is 1.25, so no, she can only spend 1.25 hours with each student.
Change x+y=5 to y=5-x
x+5-x=-3
0=-8
The answer is no solution. :)
Answer:
x
+
5
Step-by-step explanation:
x
+
5
