Suppose the people living in a city have a mean score of 40 and a standard deviation

Question:

Suppose the people living in a city have a mean score of 40 and a standard deviation of 5 on a measure of concern about the environment. Assume that these concern scores are normally distributed. Using the 50%-34%-14% figures, approximately what percentage of people have a score
(a) Above 40.
(b) Above 45.
(c) Above 30.
(d) Above 35.
(e) Below 40.
(f) Below 45.
(g) Below 30.
(h) Below 35?