Question

Sally and Anne went to the movies. They each purchased a drink. They also bought one popcorn and one veggie cup to share. Each woman’ total is modeled with this expression: 9 + 1.34 + 1 2 (3.50 +1.74) How would you simplify the expression? Explain your steps.

Answer 1

First, add the decimals in the parentheses. Next, multiply that number by 0.5. Finally, add all the decimal numbers.

Answer 2

9 + 1.34 + 1 2 (3.50 +1.74)
 Step 1: add what is inside the parenthesis
 9 + 1.34 + 1 2 (5.24)
 Step 2: multiply what is inside the parenthesis by 12.
 9 + 1.34 + 62.88
 Step 3: Add all the numbers
 73.22
 answer
 9 + 1.34 + 1 2 (3.50 +1.74) = 73.22