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Shelly makes and sells jewellery at local Farmers Markets. She purchased $75 of supplies to make a new group of bracelets. She plans to keep 3 bracelets for her friends and sell the remaining bracelets for a total of $250. If Shelly wants to make a profit of $12.50 per bracelet, how many bracelets must she make?
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Let x = number of bracelet made.
The money Shelly spent to buy each bracelet = 
The money Shelley will make for selling each bracelet = 
Profit per bracelet = money made for selling each bracelet − money spent to buy each bracelet
Verify the solution x = 18.
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