3. What is the mathematical equation for the problem?
A. 5 X n + 7 x n + 12.50 = 147.50
B. 5 X n + 7 (n + 12.50) = 147.50
C. (5 x n) (7 + 12.50) 147.50
D. 5 n + 7 x 12.50 147.50
4. What operations are involved to formulate the equation?
A. Addition, subtraction, multiplication and division
B. Addition and subtraction
C. Addition and multiplication
D. Addition, subtraction and multiplication
5. What is the answer to the problem?
A. 3
B. 4
C. 5
D.6​