Aloaf of bread is 1 1/2 feet long. how many 3 inch pieces can be cut from the loaf?

1 1/2 feet= 18 inches
18 inches/3 = 6

Step 1. When there is a in front of an expression in parentheses, change the sign of each term in the expression-> -11 + 5 - 9 - (-13) - (-5)
Step 2. When there is a in front of an expression in parentheses, change the sign of each term in the expression-> -11 + 5 - 9 + 13 - (-5)
Step 3. When there is a in front of an expression in parentheses, change the sign of each term in the expression -> -11 + 5 - 9 + 13 + 5
Step 4. Calculate the sum or difference
The ANSWER is 3 .