Remo, who works in a high end jewellery store, earns a base pay of $10.00 per hour plus a certain percent commission on the sales that he helps to broker in the store. Remo worked an average of 35 hours per week over the past two weeks and helped to broker sales of $5,000.00 worth of jewellery during that same two week period. If Remo’s earnings for the two week period were $850.00, what percent commission on sales does Remo earn ?

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answer is C.

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Detailed Solution

Concept- Remo's base salary is $10.00 per hour, so use that information to calculate the total base amount that was given to him after he put in an average of 35 hours per week over the course of two weeks. The commission amount earned by Remo can then be determined by subtracting his total earnings from the overall base amount earned. Finally, calculate the commission percentage based on the sales amount ($5,000).
The first thing we notice is that Remo's base wage is $10.00 per hour. After he worked an average of 35 hours each week for the two weeks, his total base salary would be.
Total base salary received

Now that we know that he made $850.00 in total earnings throughout the two-week period, we can calculate the commission by deducting the total base amount from his total earnings.
Total commission amount

It is still unknown what percentage of the $5,000.00 in sales Remo arranged over the course of two weeks is $150.00; we will estimate that this amount is

Then