If they lose 72% of their weight, then they are only 28% of the original amount. Let n be the original weight of the mushrooms. Then: 0.28n=12.25 n=12.25/0.28=43.75 lbs of mushrooms necessary to start with ☺☺☺☺
<span>the rate of decay each month can calculated using the following formula: </span><span> 6%/year × 1 year/(12 months) = 0.5%/month 0.06 x 1/12 = 0.005/month </span><span>So the 0.5% is the right answer. I hope it helped.</span>