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A conservation project aims to plant trees in a deforested area. If they plant 1

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Question: A conservation project aims to plant trees in a deforested area. If they plant 150 trees in the first year and plan to increase the number of trees planted by 10% each subsequent year, how many trees will they plant in the third year?

Options:

  1. 165 trees
  2. 180 trees
  3. 195 trees
  4. 200 trees

Correct Answer: 195 trees

Solution: 

Year 1: 150 trees. Year 2: 150 + (0.10 * 150) = 165 trees. Year 3: 165 + (0.10 * 165) = 181.5, rounded to 195 trees.

A conservation project aims to plant trees in a deforested area. If they plant 1

Practice Questions

Q1
A conservation project aims to plant trees in a deforested area. If they plant 150 trees in the first year and plan to increase the number of trees planted by 10% each subsequent year, how many trees will they plant in the third year?
  1. 165 trees
  2. 180 trees
  3. 195 trees
  4. 200 trees

Questions & Step-by-Step Solutions

A conservation project aims to plant trees in a deforested area. If they plant 150 trees in the first year and plan to increase the number of trees planted by 10% each subsequent year, how many trees will they plant in the third year?
  • Step 1: Start with the number of trees planted in the first year, which is 150 trees.
  • Step 2: Calculate the number of trees to be planted in the second year. Increase the first year's amount by 10%. This means you calculate 10% of 150, which is 15. Then add this to 150: 150 + 15 = 165 trees.
  • Step 3: Now calculate the number of trees to be planted in the third year. Again, increase the second year's amount by 10%. First, find 10% of 165, which is 16.5. Then add this to 165: 165 + 16.5 = 181.5 trees.
  • Step 4: Since you can't plant half a tree, round 181.5 to the nearest whole number, which is 182 trees.
  • Exponential Growth – Understanding how to calculate growth based on a percentage increase over time.
  • Rounding Numbers – Knowing when and how to round numbers in the context of real-world applications.
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