Hard Math Probelm?

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The cost of living in a certain city has been increasing so much that an item that costs $1 today would cost (1.08)^t dollars in t years. Using the relationship, how much did todays one dollar item cost 9 years ago?

2007-02-22 13:27:54 · 2 answers · asked by Lizzie 5 in Science & Mathematics ➔ Mathematics

2 answers

Since you are going to be dividing, you put 1 over the 1.08 and put it to the ninth power since that is the amount of dollars you are comparing. Your answer will be.500... so about 50 cents!

2007-02-22 13:40:27 · answer #1 · answered by Sexxi~Hot~Mama 2 · 0⤊ 0⤋

1/(1.08)^(9) = 0.500248967 about 50 cents

2007-02-22 13:34:15 · answer #2 · answered by a_ebnlhaitham 6 · 0⤊ 0⤋