Answer :
The expression that correctly shows the total of steps Eric needs to walk is y = -6,000x + 24,000.
How to write a mathematical expression?
- Identify the factors or variables involved.
- Use leters to represent unknown factors.
- Use +,-, etc. to show how the factors relate.
What is the best mathematical expression?
- x = number of days
- y = steps missing
- 24,000 = total steps
- 6,000 = steps per day
Based on this the best expression is
- y = -6,000x + 24,000
or the missing steps are equal to the number of days multiplied by the steps per day and subtracted to the total steps.
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