Answer:
Input Variable: Number of chores
Output Variable: Earnings
Step-by-step explanation:
Given
Earnings = $3 per chore
Required
Determine the input and the output variables
The given parameter
Earnings = $3 per chore
i.e.
If he does 1 chore, he earns $3
If he does 2 chores, he earns $6
If he does 3 chores, he earns $9
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If he does n number of chores, he earns $3n
So, we can conclude that:
His earning is dependent on the number of chores.
The keyword dependent shows that:
Input Variable: Number of chores
Output Variable: Earnings
