A local Dunkin' Donuts shop reported that its sales have increased exactly 12% per year for the last 2 years. This year's sales were $81,427. What were Dunkin' Donuts' sales 2 years ago? (Round each year's sales to the nearest dollar.)

Answers

Answer 1

Answer:

Answer:

If the sales 2 years ago were x, the sales last year were 1.12x and this year's sales were 1.12 * (1.12x). We can write 1.12 * (1.12x) = 81427 so that means x = $64913.

Answer 2

Answer:

Final answer:

Dunkin' Donuts' sales 2 years ago were approximately $64,913.

Explanation:

In order to find Dunkin' Donuts' sales 2 years ago, we can use the information provided that their sales have increased by 12% per year for the last 2 years. Let's denote their sales 2 years ago as x. Then, their sales 1 year ago would be x increased by 12%: (x + 0.12x) = 1.12x. And their sales this year would be 1.12x increased by 12%: (1.12x + 0.12(1.12x)) = 81,427.

Simplifying the equation:

1.12x + 0.1344x = 81,427
1.2544x = 81,427
x = 81,427 / 1.2544
x ≈ 64,913

Therefore, Dunkin' Donuts' sales 2 years ago were approximately $64,911.

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