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In a line graph showing the temperature over a week, if the temperature increase

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Question: In a line graph showing the temperature over a week, if the temperature increased from 20°C to 30°C over three days, what was the average daily increase? (2023)

Options:

  1. 2°C
  2. 3°C
  3. 5°C
  4. 10°C

Correct Answer: 3°C

Exam Year: 2023

Solution: 

The total increase is 10°C over 3 days, so the average daily increase is 10/3 = 3.33°C, which rounds to 3°C.

In a line graph showing the temperature over a week, if the temperature increase

Practice Questions

Q1
In a line graph showing the temperature over a week, if the temperature increased from 20°C to 30°C over three days, what was the average daily increase? (2023)
  1. 2°C
  2. 3°C
  3. 5°C
  4. 10°C

Questions & Step-by-Step Solutions

In a line graph showing the temperature over a week, if the temperature increased from 20°C to 30°C over three days, what was the average daily increase? (2023)
  • Step 1: Identify the starting temperature, which is 20°C.
  • Step 2: Identify the ending temperature, which is 30°C.
  • Step 3: Calculate the total increase in temperature by subtracting the starting temperature from the ending temperature: 30°C - 20°C = 10°C.
  • Step 4: Count the number of days over which this increase happened, which is 3 days.
  • Step 5: Calculate the average daily increase by dividing the total increase by the number of days: 10°C / 3 days = 3.33°C.
  • Step 6: Round the average daily increase to the nearest whole number, which is 3°C.
  • Average Calculation – Understanding how to calculate the average increase over a specified period.
  • Temperature Change – Interpreting changes in temperature over time as represented in a line graph.
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