Problema Solution
Tony misplaced 777 stamps from his collection. He knows that each stamp of his is worth $0.15 and that the total value of them is now only $5.55.
Write an equation to determine the number of stamps (s) that Tony originally had.
Answer provided by our tutors
Let 'x' represent the number of stamps that Tony originally had.
(x - 777)*0.15 = 5.55
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click here to see the equation solved for x
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x = 814 stamps
Originally, Tony had 814 stamps.