<PRE><B>Question 936147</B>
x = amount up to 10000 in monthly sales
y = amount above 10000 in monthly sales
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r = 0.05x + 0.07y + 250*4
note that 250 is weekly base salary ...
multiply by 4 to get monthly base salary
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sales = 15943.87
r = 0.05*10000 + 0.07*(15943.87 - 10000) + 250*4
r = 1916.07
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