Problema Solution
Tony had a certain number of stamps that were each worth $0.15. He misplaced 7 stamps. He found that the total value of his stamp collection was now $5.55.
Write an equation to represent the value of his stamp collection in terms of the number of stamps, s, that he had originally, and find the value of s.
Answer provided by our tutors
(s - 7)*0.15 = 5.55
by solving we find:
s = 44 stamps
click here to see the step by step solution of the equation:
Tony had 44 stamps originally.