The expression of the total cost after tax, 0.08(50h) + 50h, has a tax part and a cost part.
The tax part is 0.08(50h).
The cost part is 50h.
What is tax?
Tax is the amount paid by the consumer to the government for the use of goods and services produced in/by the country.
It is charged over the total cost for the particular good or service, at a pre-determined rate called the rate of tax.
How to solve the question?
In the question, we are informed that the total cost after tax to repair Deborah's computer is represented by 0.08 (50h) +50h, where h represents the number of hours it takes to repair Deborah's computer.
We are asked what part of the expression represents the amount of tax Deborah has to pay.
We know that the total cost = Tax + Fixed Cost,
where tax = tax rate * fixed cost.
Therefore, we write the total cost function like this:
Total cost = Tax Rate(Fixed cost) + Fixed Cost.
Comparing the given expression of the total cost, 0.08(50h) + 50h, with this expression, we can say that 0.08(50h) represents the tax part, where 0.08 is the tax rate and 50h is the fixed cost.
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