Answer the below questions by understanding the given situation:
In a school, an event and rally is organized for the cause of cancer awarness.
All the students are asked to prepare posters for rally on awarness of cancer in the school auditorium.
School provided eco-paint to create posters. Each poster requires very small amount of paint.
There were \(\frac{3}{11}\) litres of eco paint were placed in the auditorium. Each poster needs \(\frac{3}{9}\) litres of paint.
a. How many posters will be made using the available paint?
b. Since they need more number of posters, they decided to reduce the paint usage by half of the litres needed for each paint,
which leads to maximum number of posters with lighter shades.
How many posters are there?
c. They used only \(\frac{2}{5}\) of the posters made in part (a) for rally.
How many posters are used?
d. Each student paints \(\frac{1}{4}\) of the poster from part (a).
How many students are there? {NOTE: round your answer to nearest whole number}
[NOTE: With Simplification]