∵ 0.5(8.4 - 1.6)
We have a number multiplied by the difference of two other numbers, then to solve we need to multiply the number by each number in the bracket
∴ 0.5(8.4 - 1.6) = 0.5(8.4) - 0.5(1.6)
That means we distribute the numbers in the brackets
Then the property is distributive
Answer D
