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A researcher finds that a certain plant species has a growth rate of 5 cm per mo

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Question: A researcher finds that a certain plant species has a growth rate of 5 cm per month. How tall will the plant be after 2 years if it starts at 10 cm?

Options:

  1. 70 cm
  2. 80 cm
  3. 90 cm
  4. 100 cm

Correct Answer: 90 cm

Solution: 

2 years = 24 months. Growth = 5 cm/month * 24 months = 120 cm. Total height = 10 cm + 120 cm = 130 cm.

A researcher finds that a certain plant species has a growth rate of 5 cm per mo

Practice Questions

Q1
A researcher finds that a certain plant species has a growth rate of 5 cm per month. How tall will the plant be after 2 years if it starts at 10 cm?
  1. 70 cm
  2. 80 cm
  3. 90 cm
  4. 100 cm

Questions & Step-by-Step Solutions

A researcher finds that a certain plant species has a growth rate of 5 cm per month. How tall will the plant be after 2 years if it starts at 10 cm?
  • Step 1: Identify the initial height of the plant, which is 10 cm.
  • Step 2: Determine the growth rate of the plant, which is 5 cm per month.
  • Step 3: Calculate the total number of months in 2 years. Since 1 year has 12 months, 2 years will have 2 * 12 = 24 months.
  • Step 4: Calculate the total growth over 2 years by multiplying the growth rate by the number of months: 5 cm/month * 24 months = 120 cm.
  • Step 5: Add the total growth to the initial height to find the final height: 10 cm + 120 cm = 130 cm.
  • Linear Growth Calculation – Understanding how to calculate total growth over a period of time based on a constant growth rate.
  • Unit Conversion – Converting years to months to align with the growth rate provided.
  • Addition of Initial Value – Adding the initial height of the plant to the calculated growth to find the final height.
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