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Javier works in a photo lab and needs to make a reduced copy of a photograph that is 8 inches long. The customer wants the copy to have a length of 4.5 inches. Each time he presses the reduce button on the copier, the copy is reduced by 12%. Javier and his boss had an argument, because Javier claimed that pressing the button 5 times would be enough to fulfill the customer's request. His boss said that pressing the button 5 times would result in a length less than the desired 4.5 inches. Which of the following conclusions can be made?

 Apr 4, 2016

Best Answer 

 #1
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After each press the new copy would be reduced to 0.88 times its size before the press.

 

After 5 presses the size would be 8*0.88^5  =   4.22 inches

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 Apr 4, 2016
 #1
avatar+33661 
+5
Best Answer

After each press the new copy would be reduced to 0.88 times its size before the press.

 

After 5 presses the size would be 8*0.88^5  =   4.22 inches

.

Alan Apr 4, 2016

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