Your friend's age is 5 years less than half her mother's age. Your friend is 15 years old. How old is her mother?
1 Answer
Apr 18, 2017
40 years old.
Explanation:
I added 5 because they said 5 years less her mother's age, and later multiply by two because they said half her mothers age. I did the opposite of what the statement said to reverse to the mother's age.