Area= (1/2 b) * h needs l=to hit character limit
Regular is 2 and 5/40
Simplified is 2 and 1/8
A common denominator is 12
The answer is A cause 30% is 0.7 and f(n-1) equals the amount being sold the +50 is for every 50 new one and the the 235 is for what they started with
