Answer: 
Step-by-step explanation:



(x,y)
x=input
y=output
example
we see
g=(1,2)
theefor
g(1)=2
a.
f(4)=1
g(1)=2
g(f(4))=2
b.
g(-2)=4
f(4)=1
f(g(-2))=1
c.
f(3)=5
g(5)=5
f(5)=0
f(g(f(3)))=0
2:16
2.5:20
3:24
4:32
5:40
1.5:12
$x=213$
For first six weeks she saved 213$
Now
For next 6weeks

Total savings:-
.
Well, $48.76 divided by 3 = 16.25333333333333
So, each student will get $16.25 with a penny left over.