SOLUTION: The sum of the age of Jasmine and her mother is 100. 30 years ago, Jasmine’s mother was nine times as old as Jasmine was then. How old is Jasmine now?
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Question 1153946: The sum of the age of Jasmine and her mother is 100. 30 years ago, Jasmine’s mother was nine times as old as Jasmine was then. How old is Jasmine now? Answer by ikleyn(52790) (Show Source):
30 years ago, the sum of ages was 100-30-30 = 40, and the mother was 9 times as old as J>
Hence, 30 years ago, Jasmine was 4 years old.
It immediately leads you to the
ANSWER. J is 34 years old now.
Solved.
This problem, as many other similar problems, is to be solved MENTALLY.
