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How many dollars does a salesperson earn on a sale of s dollars at a c

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Bunuel
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How many dollars does a salesperson earn on a sale of s dollars at a c [#permalink] New post   27 Feb 2018, 23:43
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How many dollars does a salesperson earn on a sale of s dollars at a commission of r %?

(A) rs

(B) r/s

(C) 100rs

(D) r/(100s)

(E) rs/100
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SonalSinha803
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Re: How many dollars does a salesperson earn on a sale of s dollars at a c [#permalink] New post   28 Feb 2018, 00:12
A commission of r % is applied on sales worth $s. Thus commission = (r/100)* s = rs/100

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Re: How many dollars does a salesperson earn on a sale of s dollars at a c [#permalink] New post   01 Mar 2018, 18:36
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Bunuel wrote:
How many dollars does a salesperson earn on a sale of s dollars at a commission of r %?

(A) rs

(B) r/s

(C) 100rs

(D) r/(100s)

(E) rs/100


In the same way that we can express 45% as 45/100, we can express r% as r/100. Thus, if the commission is r%, the salesperson earns s x r/100 = sr/100 commission from the sale of s dollars.

Answer: E
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Re: How many dollars does a salesperson earn on a sale of s dollars at a c [#permalink] New post   01 Mar 2018, 20:43
Earnings= s*\(\frac{r}{100}\)

= \(\frac{rs}{100}\)

Answer: E.
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Re: How many dollars does a salesperson earn on a sale of s dollars at a c [#permalink]
01 Mar 2018, 20:43
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