3 years ago

Pls help the first one is done but use that one to do the other one

Mathematics

1 answer:

dexar [7]3 years ago

5 0

Answer:

I got 107 ft. ² and D.........

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The number of volunteers to walk dogs at the local animal shelter last year was 20 this year the number of volunteers has risen

Alex73 [517]

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Step-by-step explanation:

Given,

Old number of volunteers = 20

New number of volunteers = 50

Change = New value - Old value

Change = 50 - 20 = +30

The positive sign indicates the increase.

Percent increase = $\frac{Change}{Old\ value}*100\\$

$Percent\ increase=\frac{30}{20}*100\\\\Percent\ increase=\frac{3000}{20}\\\\Percent\ increase=150\%$

There is 150% increase in the number of volunteers.

Keywords: percentage, subtraction

Learn more about percentages at:

#LearnwithBrainly

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4 years ago

The steps below show the incomplete solution to find the value of x for the equation 5x − 3x + 4 = −4 + 20:

matrenka [14]

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Answer -2/3

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