Pls provide soln to the following DS problems
a) In a certain business, production index p is directly proportional to efficiency index e, which inturn is proportional to investment index i. What is p if i =70
1) e=0.5 whenever i=60
2) p=0.2 whenever i=50
b) Every member of a certain club volunteers to contribute equally to the purtop of a $60 gift certificate. How many members does the club has.
1)Each members contribution is to be $4
2) If 5 members fail to contribute, the share of the remaining members will be increased by $2