Answer:
-8/23
Step-by-step explanation:
3x/(5x+2) = - 4
3x = - 4(5x + 2)
3x = -20x - 8
23x = - 8
x = - 8/23
4/3
10/3
24/3
...........
$1.25
90 / 72 = the cost per student
90 / 72 = 1.25
