enya.gold
Find the value of x.
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enya.gold
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enya.gold
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s\[\frac{ x - 3 }{ 8 } =16\]
enya.gold
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Typo. The s means nothing.
UnkleRhaukus
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16:4
8:2
x-3:2.5
enya.gold
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I'm not familiar with these ratios. 16/4? Or 16 = 4?
enya.gold
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\[\frac{ 16 }{ 4 }\]
Butterfly16
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Since they're similar, you can set up a proportion. Make sure you keep the same triangle in the same fraction and the same sides in the same spot (numerator or denominator).
\[\frac{ x-3 }{ 16 }=\frac{ 2.5 }{ 4 }\]Now, cross multiply:\[4(x-3)=16(2.5)\]\[4x-12=40\]
Can you solve from here? :o)
enya.gold
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\[4x - 12 = 40\]\[4x = 40 + 12\]\[4x = 52\]\[4x / 4x = 52 / 4x\]\[x = 13\]
Butterfly16
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Great! :o)