Can someone tell me if this is right ?

[trae160]

can someone tell me if this is right please?

can someone tell me if this is right please?

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it says "solve the equation by first clearing the fractions." the equation is "2/5=5/8n-4" i got for my answer "1 1/25" is this correct?

 

[trae160]

cmon I am sure one of yall collage people can answer this is only a 7th grade problem.

 

[mathlete]

The answer is 25/176, unless you mean 5/(8n-4), in which case it is 33/16

 

[Zurtex]

That depends what you mean, either:

$$\frac{2}{5}=\frac{5}{8n-4}$$

$$2(8n-4) = 25$$

Or:

$$\frac{2}{5}=\frac{5}{8n} - 4$$

$$2 = \frac{25}{8n} - 20$$

$$22 = \frac{25}{8n}$$

$$176n=25$$

 

[trae160]

ty everyone =)

 

[Zurtex]

I just thought you might also mean:

$$\frac{2}{5}=\frac{5}{8}n-4$$

$$\frac{16}{5}=5n-32$$

$$\frac{176}{5}=5n$$