A town's population of decreases by each year. Which is closest to its population after years?
Answer and explanation
Correct answer: B.
- Step 1: Each year multiplies the population by .
- Step 2: After years: .
- Step 3: That equals .
Answer
.
Why not the others: subtracts once (treating the decline as linear); is the value after years; is .
Practise more Percentages and percent change.
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