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Tony misplaced 7 stamps from his collection. He knows that each stamp of his 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
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Tony misplaced 7 stamps from his collection. He knows that each stamp of his 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.

User Alagner
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2 Answers

4 votes
0.15(s-7)=5.55 divide both sides by 0.15

s-7=37 add 7 to both sides

s=44

So he had 44 stamps originally.
User JoshuaRLi
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8.3k points
2 votes
44 Stamps. 5.55/0.15 = 37 stamps. 37 + 7 = 44. 44 Stamps.
User PostureOfLearning
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7.2k points
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