# math 6th grade mathematic

*label*Mathematics

*timer*Asked: Feb 5th, 2015

**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?