Solve the equation.

Question

B + 8 = 12.2

A. B = 4
B. B = 4.2
C. B = 5.7
D. B = 5.2

Answer 1

By subtracting 8 from both sides of the equation B + 8 = 12.2, we get B = 4.2. Therefore, the correct answer is B. B = 4.2.