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by stubbornp » Fri Oct 17, 2008 12:14 pm
11. According to the graph above, the sale of fruits and vegetables in Store S last week accounted for what percent of the total sales income for the week?

(1) Last week the total income from the sale of fruits and vegetables in Store S was $16,000.
(2) x = 2y


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by mals24 » Fri Oct 17, 2008 1:02 pm
IMO D
The question is asking you to find teh value of x

St 1: total income from fruits and vegetables = $16,000

16,000=x%*100,000
x=16---SUFF

St 2: x=2y
x+y+40+28+8=100
2y+y+76=100
y=8
x=16--------SUFF

Hence answer is D
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by stubbornp » Fri Oct 17, 2008 6:55 pm
mals24 wrote:IMO D
The question is asking you to find teh value of x

St 1: total income from fruits and vegetables = $16,000

16,000=x%*100,000
x=16---SUFF

St 2: x=2y
x+y+40+28+8=100
2y+y+76=100
y=8
x=16--------SUFF

Hence answer is D


Can you elaborate first statement?
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by appmentor-jon » Sat Oct 18, 2008 8:08 pm
Agreed, D.

We know from the image that total sales are 100,000. If 16,000 are fruits and veggies, 16,000/100,000 = 16%

if x = 2y and x + y + 40 + 28 + 8 = 100, substitute for x and solve for y:
2y + y + 40 + 28 + 8 = 100
3y + 40 + 28 + 8 = 100
3y + 76 = 100
3y = 24
y = 8
x = 16
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by stubbornp » Sat Oct 18, 2008 10:28 pm
appmentor-jon wrote:Agreed, D.

We know from the image that total sales are 100,000. If 16,000 are fruits and veggies, 16,000/100,000 = 16%

if x = 2y and x + y + 40 + 28 + 8 = 100, substitute for x and solve for y:
2y + y + 40 + 28 + 8 = 100
3y + 40 + 28 + 8 = 100
3y + 76 = 100
3y = 24
y = 8
x = 16
oh tnx...i missed the total sales value from image...
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