Marco and his two younger sisters would like to purchase a silver charm bracelet for their mother’s birthday. They went to the mall and found what they were looking for at Store A. In Store A, the bracelet without charms costs $85 and each charm costs $15.

Use function notation that models the total price of the bracelet and how that price is based on the number of charms. Explain the reasoning behind your equation.

Question

Marco and his two younger sisters would like to purchase a silver charm bracelet for their mother’s birthday. They went to the mall and found what they were looking for at Store A. In Store A, the bracelet without charms costs $85 and each charm costs $15.

Use function notation that models the total price of the bracelet and how that price is based on the number of charms. Explain the reasoning behind your equation.