x=3 for both of the questions
Answer:
Original Number = let we assume it is x
Number after decremented = y = 60
Total decrease = z = x-y = x-60
% of decrease = ((x-60)/x)*100 = 7.3
(x-60)*100 = 7.3x
100x -6000 = 7.3x
100x-7.3x = 6000
92.7x = 6000
x = 6000/92.7 = 64.73
Original Number = 64.73
Step-by-step explanation:
Answer:
I think it is
Step-by-step explanation:
(18.0, 22.0). We are 95% confident that the mean age of university students is between 18 and 22.
