Soal SMA · Penerapan · Kesulitan 3/5

A company's revenue increased by 20% in the first year and then decreased by 10% in the second year. If the revenue after two years is $540,000, what was the original revenue?

A.$500,000
B.$450,000
C.$600,000
D.$550,000

Kunci jawaban & pembahasan

Jawaban: $500,000

Let original revenue = R. After first year: 1.2R. After second year: 0.9 * 1.2R = 1.08R. Given 1.08R = 540,000 ⇒ R = 500,000.

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