nae9764 nae9764

01-06-2019
Mathematics

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A limited-edition poster increases in value each year. After 1 year, the poster is worth $20.70. After 2 years, it is worth $23.81. Which equation can be used to find the value, y, after x years? (Round money values to the nearest penny.)

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adanraes adanraes

01-06-2019

Its y=18(1.15)x

Yr 2 = 20.70 so yr 1 must have started less than that.

At 18 in yr 1, a 15% increase would make it 20.70 in yr 2, and 23.81 in yr 3.

Hope this helps.

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