In a lake ecosystem, if the fish population is 1200 and it increases by 15% each

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Question: In a lake ecosystem, if the fish population is 1200 and it increases by 15% each year, what will be the fish population after one year?

Options:

Correct Answer: 1380

Solution:

1200 * 1.15 = 1380 fish after one year.

In a lake ecosystem, if the fish population is 1200 and it increases by 15% each year, what will be the fish population after one year?

In a lake ecosystem, if the fish population is 1200 and it increases by 15% each year, what will be the fish population after one year?

Step 1: Identify the current fish population, which is 1200.
Step 2: Determine the percentage increase, which is 15%.
Step 3: Convert the percentage increase to a decimal by dividing by 100. So, 15% becomes 0.15.
Step 4: Calculate the increase in fish population by multiplying the current population (1200) by the decimal (0.15). This gives you 1200 * 0.15 = 180.
Step 5: Add the increase (180) to the current population (1200) to find the new population. So, 1200 + 180 = 1380.
Step 6: The fish population after one year will be 1380.

Percentage Increase – Understanding how to calculate a percentage increase on a given quantity.
Basic Arithmetic – Applying multiplication to find the new value after an increase.