Hi,
The equation looks like this...

Hope this helps.
r3t40
Answer:
zero
Step-by-step explanation:
Answer:I think 4/3
Step-by-step explanation:
I will send you a hopefully helpful link. https://www.ncdc.noaa.gov/sotc/national/201403
84% of 50 is 42. So if your test was graded out of 50 you would've gotten 42/50. If you multiply 50 by 2 (50x2), you have 100, so then you'd just divide the 84% by 2 so you'd get 42%