Change in the Sum of the Numbers in a Set
Source:
June 13, 2009
Problem Statement
A set of numbers has the sum . Each number of the set is increased by , then multiplied by , and then decreased by . The sum of the numbers in the new set thus obtained is:
(A)\ s \plus{} 20n\qquad
(B)\ 5s \plus{} 80n\qquad
(C)\ s\qquad
(D)\ 5s\qquad
(E)\ 5s \plus{} 4n