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Please explain the rigth ans?

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Please explain the rigth ans?

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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by kvcpk » Sun Sep 12, 2010 2:59 am
can you please check your question. its missing much data.
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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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