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

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sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2(a+4b)/(5a7b)=2 a+4b=10a14b 9a=18b a=2b

zzr0ck3r
 2 years ago
Best ResponseYou've already chosen the best response.0solve for a, then use that to solve for the other expression

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Now, substitute a=2b in (3a7b)/(a+b)

Mello
 2 years ago
Best ResponseYou've already chosen the best response.0@sauravshakya I think I would end with variables in the answer. My teacher told me it would be a number value.

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Yes the answer will be number value

Mello
 2 years ago
Best ResponseYou've already chosen the best response.0@zzr0ck3r Can you explain how?

Mello
 2 years ago
Best ResponseYou've already chosen the best response.0@sauravshakya OH! I see now. Thank you!!
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