Answer:
18). 27
19). 37.09
Explanation:
18). There are 5 students absent and there are 22 students who attended. so 22+5 will give you the total student if all students attend.
19). Simply subtracting $22.05 from $59.95 will give you the answer
Making a Equation.
Let the total number students be M,
then students absent from the math class = 5
students present in Class = 22
therefore; M-5 = 22
M = 22+5
M = 27