SOLUTION: how do i solve for a.300=(a+30)h/2?

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Question 32091: how do i solve for a.300=(a+30)h/2?
Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
300=(a+30)h/2
=>600=(a+30)h
=>(a+30)=600/h
=>a=600/h - 30