BadWolfidn
Answered

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what is the percent change from 70 to 56?

Sagot :

Naǫidn
x - the percent change

[tex]70-70x=56 \\ -70x=56-70 \\ -70x=-14 \\ x=\frac{-14}{-70} \\ x=\frac{1}{5} \\ x=20\%[/tex]

It's a 20% decrease.
Carlosegoidn

For this case we can make the following rule of three:

70 ----------------> 100%

56 ---------------> x

From here, we clear the value of x.

We have then:

[tex] x = (\frac{56}{70}) * (100)
[/tex]

[tex] x = 80 [/tex]%

Then, the percentage difference is given by:

[tex] 100 - 80 = 20
[/tex]

Answer:

the percent change from 70 to 56 is 20%.

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