Answer:
x=10
Step-by-step explanation:
P+S=140
(5x+30)+80=140
5x+30=80
5x=50
x=10
I am 100% sure the answer is A. Mean
We could stop here and have answered the question.
Answer:
17. Difference between -11 and 17, which is 28.
18. -189 + 56 + 64 = -69, meaning she still owes 69 dollars.
19. -528 * 4 = -2112
20. -6,660 divided by 37 = -180
Meaning it falls 180 meters down every minute.
Answer: -4
Step-by-step explanation: