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In 2008, a certain factory produced 25% more widgets than it

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by BTGmoderatorDC » Tue Jul 02, 2019 8:42 pm

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In 2008, a certain factory produced 25% more widgets than it did in 2007. In 2009 the company's production of widgets was 120% of its production in 2008. By approximately what percent would its production need to decrease the following year for the factory to produce the same number of widgets it did in 2007?

A. 33%
B. 45%
C. 50%
D. 64%
E. 67%

OA A

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by Ian Stewart » Wed Jul 03, 2019 4:07 am
If we start with 100 widgets in 2007, we have 125 in 2008, and then (1.2)(125) = 150 in 2009. For this to decrease to 100, it needs to fall by 50, or by 50/150 = 33 1/3 %.
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by Scott@TargetTestPrep » Sat Jul 06, 2019 5:09 pm
BTGmoderatorDC wrote:In 2008, a certain factory produced 25% more widgets than it did in 2007. In 2009 the company's production of widgets was 120% of its production in 2008. By approximately what percent would its production need to decrease the following year for the factory to produce the same number of widgets it did in 2007?

A. 33%
B. 45%
C. 50%
D. 64%
E. 67%

OA A

Source: Veritas Prep
We can let the number of widgets produced in 2007 be 100. Thus the number of widgets produced in 2008 is 100 x 1.25 = 125, and the number of widgets produced in 2009 is 125 x 1.2 = 150. To bring 150 back to 100, we need to decrease the production by:

(150 - 100)/150 x 100 = 50/150 x 100 = 1/3 x 100 = 33 â…“ percent

Answer: A

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