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Please explain the rigth ans?

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by [email protected] » Sun Sep 12, 2010 2:47 am
Before being simplified, the instructions for computing the weekly wages for a street vendor were to add 0.075% of his weekly sales to an average of 350 dollars and 0.1% of his weekly sales. Which represents the simplified formula for computing the weekly wages for a street vendor with S dollars in weekly sales?


(A) 175 + S/2000
.
(B) 175 + S/1000
.
(C) 175 + S/800

(D) 175 + 3S/400
.
(E) 175 + S/80
Last edited by [email protected] on Sun Sep 12, 2010 3:10 am, edited 1 time in total.
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Source: — Problem Solving |

by kvcpk » Sun Sep 12, 2010 2:59 am
can you please check your question. its missing much data.
"Once you start working on something,
don't be afraid of failure and don't abandon it.
People who work sincerely are the happiest."
Chanakya quotes (Indian politician, strategist and writer, 350 BC-275BC)
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by diebeatsthegmat » Sun Sep 12, 2010 10:41 am
[email protected] wrote:Before being simplified, the instructions for computing the weekly wages for a street vendor were to add 0.075% of his weekly sales to an average of 350 dollars and 0.1% of his weekly sales. Which represents the simplified formula for computing the weekly wages for a street vendor with S dollars in weekly sales?


(A) 175 + S/2000
.
(B) 175 + S/1000
.
(C) 175 + S/800

(D) 175 + 3S/400
.
(E) 175 + S/80
00.75%s= 75S/100000
0.1%S=100/100000
thus it will be
75S/100000+(350+100S/100000)/2=C
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by klmehta03 » Sun Sep 12, 2010 2:27 pm
A= (0.075S)/100
B= {(0.1S+350)/2}
C=A+B
which after calculation
ans is C
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by [email protected] » Sun Sep 12, 2010 10:01 pm
thnx.. i convenienty ignored the word 'average'..
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