Answer:
-0.985
Step-by-step explanation:
Refer to the image below for explanation:
8ac+3b-7a
2ac+6ac+4b-b-7a=
You do 2/3 times 30d minus 2/3 times 15. That will give you 20d - 10
(2/3x30d) - (2/3x15) = 20d - 10
False. Anything times 0.8 except 0, is 0.8 or more.