Final answer:
To find Angela's monthly revenue, multiply the number of bracelets sold by the price of each bracelet. To find her monthly cost, add the fixed cost to the cost of making each bracelet. Subtract the monthly cost from the monthly revenue to find the profit margin. Set the profit margin equation equal to zero to find the quantity of bracelets needed to sell each month to achieve a profit.
Step-by-step explanation:
To find Angela's monthly revenue, we multiply the number of bracelets she sells by the price at which she sells each bracelet. Since Angela sells each bracelet for $2.00 and there is no information given about the quantity of bracelets she sells, we can represent her monthly revenue as R = 2Q, where Q is the quantity of bracelets she sells.
To find Angela's monthly cost, we add her fixed cost of $7.00 for advertising her site to the cost of making each bracelet. Since Angela crafts each bracelet for 65 cents, her Monthly Cost (MC) can be represented as MC = 0.65Q + 7.00.
To determine Angela's monthly profit margin, we subtract her monthly cost from her monthly revenue. So the equation for her Monthly Profit Margin (M) can be represented as M = R - MC = (2Q) - (0.65Q + 7.00).
To find the quantity of bracelets Angela needs to sell each month to achieve a profit, we set the profit margin equation equal to zero and solve for Q. So, (2Q) - (0.65Q + 7.00) = 0. Solving for Q will give us the number of bracelets Angela needs to sell each month to achieve a profit.