Let m represent the mother’s age. We can set up an equation, given Stephanie is 6 years old:
6 = 1/6m
Since we have an equation with a variable on one side, we can isolate it by dividing by the coefficient (1/6):
1/6 / 1/6 = 1
6 / 1/6 = 6/1 • 6/1 = 36/1 = 36
Stephanie’s mother is 36 years old.
