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April 24, 2014

April 24, 2014

Posted by **Julie** on Tuesday, October 13, 2009 at 10:57pm.

a. how many 32nds of an inch of usuable tread does a tire have after 1000miles?

b. A tire has traveled 20,000 miles and has 5/32 inch of tread remaining. At this rate how many total miles should the tire last before it is considered worn out?

- Math -
**jim**, Wednesday, October 14, 2009 at 6:49ama. (13-2)/32 =

b. @1000 it had 11/32. @20000 it had 5/32.

So after 19,000 it lost 6/32.

It needs to lose another 3/32 to be "worn out".

You should be able to see the number of miles from that.

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