The answers are
1.C
2.D
3.C
4.B
5.C
Answer:
The profit is $24
Step-by-step explanation:
Step one:
given the expression for the profit made as

we are told that p is the number of pens, hence for p= 48 by substituting into the expression we can find the profit as
Step two:
Profit= 1.25p-0.75p,
Profit= 1.25(48)-0.75(48),
Profit= 60-36
Profit=24
Answer:
(A) a=1,b=5,c=9
Step-by-step explanation:
We want to simplify
for values of a, b and c which satisfies: 
Converting our result to mixed fraction

Answer:
20
Step-by-step explanation:
2m+10=4m
10=4m-2m
10=2m
m=5
SInce m=5, XC=4m=4*5=20
Answer:
Find the value of X by solving the blue equation
D). 4