math

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a new automobile depreciated 20% of its value after 1 year. if the automobile is priced at \$18,000 after 1 year, what was its cost when it was new?

• math -

0.8x = 18,000

Solve for x.

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What is x?

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x = cost when new

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how do you put it in a sequence

• math -

0.8x = 18,000
x = 18,000/0.8
x = 22,500

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Would this be a arithmetic sequence

• math -

No. I don't know what a sequence has to do with your original problem.

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Can you write it in a sentence

• math -

When the car was new, it cost \$22,500.

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