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waheguru
Group Title
Can someone pleas ehelp me with this question, i am confused.
Its solving porportions and i am doing
8:4:x = 2: y:6
how do i solve this?
 one year ago
 one year ago
waheguru Group Title
Can someone pleas ehelp me with this question, i am confused. Its solving porportions and i am doing 8:4:x = 2: y:6 how do i solve this?
 one year ago
 one year ago

This Question is Closed

wio Group TitleBest ResponseYou've already chosen the best response.1
It turns out into a system of equations.
 one year ago

wio Group TitleBest ResponseYou've already chosen the best response.1
\[ 8:4:x=c(2:y:6) \\ 8 = 2c \\ 4 = cy\\ x = 6c \\ \]
 one year ago

wio Group TitleBest ResponseYou've already chosen the best response.1
First solve for c, then solve for x and y.
 one year ago

waheguru Group TitleBest ResponseYou've already chosen the best response.0
where does the c come from?
 one year ago

skullpatrol Group TitleBest ResponseYou've already chosen the best response.0
The alphabet.
 one year ago

wio Group TitleBest ResponseYou've already chosen the best response.1
c is there to represent the fact that two proportional things are going to be equal if you multiply one of them by c.
 one year ago

skullpatrol Group TitleBest ResponseYou've already chosen the best response.0
You need to find a c such that the above equation is true.
 one year ago

waheguru Group TitleBest ResponseYou've already chosen the best response.0
I know a/b = c/d and a*d=b*c but this euqstion had 3 terms which is confusing me
 one year ago

skullpatrol Group TitleBest ResponseYou've already chosen the best response.0
Have you solved for c?
 one year ago

waheguru Group TitleBest ResponseYou've already chosen the best response.0
im not sure how
 one year ago

wio Group TitleBest ResponseYou've already chosen the best response.1
\[ \frac{8}{2} = \frac{4}{y} \\ \frac{8}{2} = \frac{x}{6} \]
 one year ago

waheguru Group TitleBest ResponseYou've already chosen the best response.0
but how does 8 = 2c?
 one year ago

skullpatrol Group TitleBest ResponseYou've already chosen the best response.0
$$8=2c$$ $$\frac{1}{2}*8=\frac{1}{2}*2c$$ $$4=(\frac{1}{2}*2)c$$ $$4=1c$$ $$4=c$$
 one year ago

skullpatrol Group TitleBest ResponseYou've already chosen the best response.0
$$ 8:4:x = 2: y:6$$ $$8:4:x = c(2: y:6)$$
 one year ago

skullpatrol Group TitleBest ResponseYou've already chosen the best response.0
dw:1360205915252:dw
 one year ago
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