Answer:
I dont understand what you mean by this I questions, but that is the Order of Operations. You use "PEMDAS" to memorize all 4 Order of Operations..
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
-6+12x
Step-by-step explanation:
9-15+12xmultiply -3(5-4x), calculate the difference
-6+12x
Answer:
715
Step-by-step explanation:
All you do is 465 + 250
465 + 250 is 715
Answer:
3 hours
Step-by-step explanation:
250 = 50h + 100(4 - h)
250 = 50h + 400 - 100h
250 = -50h + 400
-150 = -50h
h = 3