Mello
If (a+4b)/(5a7b)=2, find the value of (3a7b)/(a+b).



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sauravshakya
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(a+4b)/(5a7b)=2
a+4b=10a14b
9a=18b
a=2b

sauravshakya
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right?

zzr0ck3r
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solve for a, then use that to solve for the other expression

sauravshakya
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Now, substitute a=2b in (3a7b)/(a+b)

sauravshakya
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CAn u?

Mello
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@sauravshakya I think I would end with variables in the answer. My teacher told me it would be a number value.

sauravshakya
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Yes the answer will be number value

Mello
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@zzr0ck3r Can you explain how?

sauravshakya
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Just try it

zzr0ck3r
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just work it through

Mello
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@sauravshakya OH! I see now.
Thank you!!

sauravshakya
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Welcomx