Sandy is making four sandwich platters. Each sandwich platter contains turkey slices that weigh 2 ounces each and bread slices that weigh 1 ounce each. In each platter, she has a total of 100 slices of turkey and bread that weigh a total of 160 ounces. Find the system of equations whose solutions give the number of turkey slices, t, and the number of bread slices, b, that are in the 4 sandwich platters.