For 8 bracelets, total cost = Actual cost + shipping = $54
shipping = $6 (constant)
Actual cost = $54 - $6 = $48 (for 8 bracelet)
Cost of one bracelet = 48/8 = $6
Let y be total cost of bracelet, and x be total number of bracelet,
so, the equation of the cost of each bracelet would be
y = 6x + 6.