The given expression 10(9 – t)
Apply distributive property: a(b – c) = ab – ac
= 10 x 9 – 10 x t (Distribute 10)
= 90 – 10t (Multiply: 10 x 9 = 90 and 10 x t = 10t)
The simplified expression is 90 – 10t.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")