Use a property to write an equivalent epression for 12*(100-5). Which property did you use?

Question

Use a property to write an equivalent epression for 12x(100-5). Which property did you use?

Answer 1

Yet another tiresome Common Core deal.  12 times 95 can indeed be rewritten as 12(100-5) and we can use the distributive property IN OUR HEADS, so we get 1200 - 60 = 1140.