3. A bracelet that is a combination of gold and copper weighs 238 grams. The volume of the bracelet is 15 cubic centimeters. Gold weighs 19.3 grams per cubic centimeter, and copper
weighs 9 grams per cubic centimeter. How many cubic centimeters of gold and copper does
the bracelet contain? Write a system of linear equations to represent the total volume and
total weight of the bracelet. Be sure to define your variables