SOLUTION: Karen is eleven years less than four times John’s age. If Karen is 49, how old is John?

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Question 476006: Karen is eleven years less than four times John’s age. If Karen is 49, how old is John?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let j = Johns age
Let k = Karen's age
given:
+k+=+4j+-+11+
+k+=+49+
------------
+49+=+4j+-+11+
+4j+=+60+
+j+=+15+
John is 15 yrs old