Yayo Yayo
  • 19-08-2014
  • Mathematics
Answered

A train set has 40 six-inch-long pieces of track and 8 nine-inch long pieces. What is the longest track you can build?



Answer :

AL2006
AL2006 AL2006
  • 19-08-2014
(40 pieces) x (6 inch/piece) = 240 inches

(8 pieces) x (9 inch/piece) = 72 inches

If you put them all together end-to-end, they stretch

             (240 + 72) = 312 inches

That's the same as  26 feet.
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