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Jay has a pet grooming business. In 2010, he groomed 150 dogs. In 2011, he groomed 600 dogs. What was the percent increase in the number of dogs groomed?



25%

100%

300%

400%

Respuesta :

Answer:1.25

Step-by-step explanation:

The way you figure out percent increase is you take the final number, divide it by the original number, and then subtract 1 from the result.

Therefore, in this question, take the final number of 450, divide it by the original number, 200, and then subtract 1.

450 ÷ 200 - 1 =

2.25 - 1 =

1.25

1.25 is the same thing as 125%, so Jay increased the number of dogs he groomed by 125%.

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