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Maurinko [17]
2 years ago
13

A store 7% sales tax.which expression can be used to find the total cost of an item with a price of p?

Mathematics
2 answers:
galina1969 [7]2 years ago
7 0

1.07

Step-by-step explanation:

Below. Lets say 1 is 100 dollars sale tax. If 1 is 100 7 would be 7.00

storchak [24]2 years ago
4 0
If you have an item that costs 10 dollars and a sales tax of 7% you could do it this way

10 * 7/100 = 0.70 dollars.

The total cost is 10.70 dollars. or 10 dollars and 70 cents.
The best way to do the total however is to multiply the cost by 1.07. You will get the number the customer has to pay.
10 * 1.07 = 10.70
So for any price (p) it would be 1.07*p




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Answer:

\huge\boxed{y=-\frac{1}{7}x+ 10}

Step-by-step explanation:

In order to find the equation of this line, we need to note two things.

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So first, let's find the opposite reciprocal of 7 which will be the slope to this equation.

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Now that we know the y-intercept, we can finish off our equation by plugging that in.

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