Answer:
(a) 77 people (b) 3,773 people
Step-by-step explanation:
(a) 3,850 x 2% = 77
(b) 3,850 - 77 = 3,773
Let
be the length of one leg, and
be the length of the hypothenuse. Finally, let
be the measure of the angle between them. Then, the following relation holds:

Plugging your values, we have

Solving for x, we have
