A rectangular solar panel has a length that is 12 inches shorter than 3 times its width. If the perimeter of the panel is 160 i
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Working attached below. Hope this helps! Any questions let me know :)
$4 is the original price of the jar consisting of peanut butter so therefor it = 100%. It's for sale at $3.60, so we divide $4 by 100% so we get the percentage for each cent and then we times it by 3.60 to get the percentage for $3.60 which is 90%. Now we subtract 90% from 100% to get the discounted percentage for 40cents :)
