Gregory’s age is 5 years greater than of Amanda’s age. Gregory is 17 years old. If Amanda’s age is denoted by x, which equation represents this situation and how old is Amanda?
A.
The equation is . Amanda is 46 years old.
B.
The equation is . Amanda is 36 years old.
C.
The equation is . Amanda is 9 years old.
D.
The equation is . Amanda is 12 years old.