# 9th grade

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True or False.

To find a sales tax of 6% on a purchase of \$90.00 using the proportion method you would write the following:
6/100 = ST/\$90?

• 9th grade -

Right.

• 9th grade -

To find a sales tax of 6% on a purchase of \$90.00 using the proportion method you would write the following:
6/100 = ST/\$90

The calculations in this problem would give you the following: (ST)= \$540.00

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