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 Question from Tamara: if you earned a gross wage of $810, which includes a salary of$90 and a 6% commission how much is the net sales?

Hi Tamara,

Since you were paid a salary of $\$90$your commission was$\$810 - \$90 = \$720.$

Your commission is 6% of sales so if you knew your sales you could calculate your commission. For example if your sales were $\$2000$then your commission would be $0.06 \times \2000 = \120.$ But you don't know your sales so let's assume it is$\$S.$ Then

$0.06 \times \S = \720.$

Solve for $\$S.\$

Penny

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