Solve
-The Amount of Tread Left on a Tire Varies $\frac { 9 } { 32 }$

question 18

Multiple Choice

Solve.
-The amount of tread left on a tire varies inversely as the number of miles the tire has traveled. A tire that has traveled 41,000 mi has $\frac { 9 } { 32 }$ in of tread left. How much tread will be left on a tire that has traveled 82,000 mi?
Express the answer as a fraction in simplest form.

• A) \(\frac { 64 } { 9 } \mathrm { in }\).
• B) \(\frac { 9 } { 64 } \mathrm { in }\).
• C) \(\frac { 107,584 } { 9 }\) in.
• D) \(\frac { 9 } { 107,584 }\) in.

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