Anonymous

Question description

On a string of 15 opals, the center stone is the largest and the most expensive.  Starting from on end, including the center stone, each opal is worth \$50 more than the previous one.  Startng from the other end and including the center stone, each opal is worth \$25 more than the previous one.  The total value of the 15 opals is \$4650.  Wat is the value of the center opal?

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