Dave earns $150.00 per week plus 3.8% commission. he sold $4175.68 in the month of february. what is his gross monthly earning for february? .

i also have to show my work.

If Dave earns $150/week times 4 weeks = 600

3.8% commission on $4175.68 is $158.68

$600 + $158.68 = $758.68 for the month of February

So, Dave earns $150 per week. In the month of February, there are:

(28/7) = 4 weeks.

Now,  

He earns a total of $150 * 4 in February. So, in that month he earns $600.

Now, according to the question, he takes a commission of 3.8%.  

So, we have,

Total Sales = $4175.68

Commission amount = Commission % of Total Sales

                                 = 3.8% * $4175.68

                                 = 3.8/100 * $4175.68

                                 = $158.68        (rounded to the nearest hundredth)

Now,  

Gross Income = Monthly income + Commission amount

                        = $600 + $158.68

                        = $758.68

So, his gross monthly earning for the month of february is $758.68

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