Explain the process for determining sales tax and total purchase price.

2 answers:

6 0

Sales tax is usually 6%*. so first you take the original price and multiply 0.06 to it. Take that answer and add it to the original price and that gives you the total price with sales tax.
*this can work with any tax percentage

rewona [7]3 years ago

5 0

Answer:

Multiply the decimal for the percent of tax by the purchase price, then add the amount of tax to the price to find the total price.

Step-by-step explanation:

Sales tax is an amount added to a price to get the total.

We multiply by the decimal for the percent; this means we divide the percent by 100 before we multiply.

Once we multiply, this gives us the amount of sales tax. We add this to the price of the item to get the total purchase price.

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marysya [2.9K]

The answer is -110.

8 0

3 years ago

What much expression represents a rational number?

Pie

Answer:

$\displaystyle \frac{2}{7}+\sqrt{121}$

Step-by-step explanation:

<u>Rational Numbers</u>

A rational number is any number that can be expressed as a fraction

$\displaystyle \frac{a}{b}, \ b\neq 0$

for a and b any integer and b different from 0.

As a consequence, any number that cannot be expressed as a fraction or rational number is defined as an Irrational number.

Let's analyze each one of the given options

$\displaystyle \frac{5}{9}+\sqrt{18}$

The first part of the number is indeed a rational number, but the second part is a square root whose result cannot be expressed as a rational, thus the number is not rational

$\pi + \sqrt{16}$

The second part is an exact square root (resulting 4) but the first part is a known irrational number called pi. It's not possible to express pi as a fraction, thus the number is irrational

$\displaystyle \frac{2}{7}+\sqrt{121}$

The square root of 121 is 11. It makes the whole number a sum of a rational number plus an integer, thus the given number is rational

$\displaystyle \frac{3}{10}+\sqrt{11}$