Simplify: 3x - 9 + 13x - 6
2 answers:
You can sum like terms. Two terms can be summed if they are both constants (i.e. pure numbers) or if they involve the same powers of the same variable.
In this case, 3x and 13x can be summed because they both involve 'x' alone. The sum is
As for the other two terms, you simply have to sum two numbers, as usual:
So, the final answer is
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The total purchase price including sales tax will be $1449.6136
<em><u>Explanation</u></em>
Festus bought a computer at $736.34, Apple iPad at $249.99 and a printer at $381.23
So, the <u>total price of all three items</u> dollar.
The sales tax rate is 6%. So, <u>the amount of sales tax</u> dollar.
Thus, the total purchase price including sales tax will be: (1367.56 + 82.0536) dollar = 1449.6136 dollar