SOLUTION: Mr. Jensen's running shoes had 1 inch of tread when new. He has run 440 miles in the shoes and has 3/8 inches of tread left. Assuming the tread wears at a constant rate, how many m

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Mr. Jensen's running shoes had 1 inch of tread when new. He has run 440 miles in the shoes and has 3/8 inches of tread left. Assuming the tread wears at a constant rate, how many m      Log On


   

Question 827847: Mr. Jensen's running shoes had 1 inch of tread when new. He has run 440 miles in the shoes and has 3/8 inches of tread left. Assuming the tread wears at a constant rate, how many more miles can Mr. Jensen run before his shoes have no tread left?
Found 2 solutions by edjones, MathTherapy:
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
1- 3/8 = 5/8 has worn off.
.
440/(5/8) = x/1
x=704 mi.
.
Ed

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Mr. Jensen's running shoes had 1 inch of tread when new. He has run 440 miles in the shoes and has 3/8 inches of tread left. Assuming the tread wears at a constant rate, how many more miles can Mr. Jensen run before his shoes have no tread left?


Miles of tread left: highlight_green%28264%29 

You can do the check!! 



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