The right answer is Option D: S>$300,000.
Step-by-step explanation:
Given,
Base salary of Alan = $18000
Commission = 9% = [tex]\frac{9}{100} = 0.09[/tex]
Amount Alan wants to earn = $45000 or more
Let,
s be the worth he needs to sell.
Therefore,
Base salary + Commission*Total sales>Amount Alan wants to earn
18000+0.09s>45000
[tex]0.09s>45000-18000\\0.09s>27000[/tex]
Dividing both sides by 0.09
[tex]\frac{0.09s}{0.09}>\frac{27000}{0.09}\\s>300000[/tex]
Alan must sold items that worth at least $300,000.
The right answer is Option D: S>$300,000.
Keywords: inequality, division
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