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Sagot :
m + 4n = 2n + 8m
To answer the ratio, massage this equation around to find ' n/m ' .
Let's subtract 'm' from each side:
4n = 2n + 7m
Subtract '2n' from each side:
2n = 7m
Divide each side by 'm' :
2 (n/m) = 7
Divide each side by 2 :
n/m = 7/2 . . . . . there's your ratio. That's choice-'e'.
To answer the ratio, massage this equation around to find ' n/m ' .
Let's subtract 'm' from each side:
4n = 2n + 7m
Subtract '2n' from each side:
2n = 7m
Divide each side by 'm' :
2 (n/m) = 7
Divide each side by 2 :
n/m = 7/2 . . . . . there's your ratio. That's choice-'e'.
[tex]m + 4n = 2n + 8m\\
7m=2n\\
m=\frac{2}{7}n\\\\
\frac{n}{m}=\frac{n}{\frac{2}{7}n}=\frac{7}{2}[/tex]
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