Answer:
35.5 pounds or less
Step-by-step explanation:
99.7% is a z score of 2.75
(x - 30)/2 = 2.75
x - 30 = 5.5
x = 35.5
the simplest fraction is: 3/5
in decimal form its: 0.6
I have no clue what it is sorry
Alright this is complecated but I think you can go on this other math website symbolab there will be a tutor and answer it in 15-30 minuted it helps!