The sum of the ages of mother and her daughter is 50years. Also 5 years ago, the mother's age was 7 times the age of the daughter. What is the age of the mother? Pick one.
A) 50years B) 60years C) 30years D) 25years E) 40years
Let the age of the daughter be x years   The age of the mother is 50-x years   5 years ago 7(x-5) = 50-x-5   x = 10   Mother's age = 50-10= 
<gadget id="calculator">50-10</gadget>
<output>40</output>
40years   Answer is 40years
<result>E</result>
The sum of the ages of mother and her daughter is 50years. Also 5 years ago, the mother's age was 7 times the age of the daughter. What is the age of the mother?