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pet store inc found that they were selling more guinea pigs and fewer birds. in 2010, they had 42 birds in stock, and in 2011, they decided to only keep 34 birds in stock. What was the percent decrease in inventory from 2010 to 2011

Verified Answer :

VenusRetrograde

Answer=19.05% decrease 

    42 birds          34 birds
___________=__________
 100percent        x percent

cross multiply
42x=3400
divide both sides by 42
x=80.95 percent

The inventory in 2011 is 80.95% the inventory in 2010

100-80.95=19.05% decrease

Rainbowcloudycupcake

decrease it to get your answer 
hope that helps

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