# Math

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When trying to figure up sales tax on a problem how would one write it out I have searched the site some say 1.05 some say 0.05 and something about moving a decimal over 2 spaces to the left. Im not getting it Like the problem is 3 shirts is 9.99 ea we know this is \$29.97 then it says add 5% sales tax ?

• Math -

All of the suggestions are correct and will give you the same answer.

Note that 5% = 5/100 = 0.05

Here's my way.

\$29.97 times 0.05 = \$1.498 = \$1.50.

The sales tax is \$1.50

29.97 + 1.50 = \$31.47

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