A primary source saw something first-hand. A secondary source only heard about it.
74,000 is your answer
Hope this helps
You start with 100%, add 80% for the increase and you get 180%, take away 40% for the decrease and you get 140%
Answer: The answer is 35.43 because 29.53 times 20% is 5.90, so you add 5.90 to 29.53 to get 35.43.
Is C and D because 10x^2-6x^2=36+64
4x^2=100
x^2=25
x= -5 or 5
