# Math

In the US shoe sizes and foot length are related byt he formula s=3f-24 where s represents the shoe size and f represents the foot in length in inches

Solve this formula for f, foot length in terms of s, shoe size

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1. are you just asking for rearrangement?

if so,

(s+24)/3=f

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2. I'm not sure because that's all the question is asking? But from what it looks like, does it just need rearranging? There's another question after that which is : According to this formula if you wear a size 15 shoe how long is your foot

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3. Is the formula they gave wrong

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4. This is not the right formula

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5. yeah just plug in the 15 for s into your formula and rearrange to find f, foot length

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6. 13?

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7. 13 in is the length of the foot if its a size 15 shoe. that's a big foot

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8. In the formula what is the number 3 and 24 for

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9. they might be products of the proof that derived that formula

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