SOLUTION: The value of Jamie's baseball card collection rose 30% in the last year. It is now worth $156. What was it worth a year ago?

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Question 764762: The value of Jamie's baseball card collection rose 30% in the last year. It is now worth $156. What was it worth a year ago?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = what it was worth a year ago
given:
+x+%2B+.3x+=+156+
+1.3x+=+156+
+x+=+156%2F1.3+
+x+=+120+
It was worth $120 a year ago