AlbertGordan AlbertGordan
  • 22-09-2015
  • Mathematics
contestada

A piece of wire was cut into 2 pieces in the ratio 5:9. The longer piece was 25cm. Find the length piece.

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taskmasters
taskmasters taskmasters
  • 25-09-2015
1.       The ratio of a wire that is cut in to 2 is 5:9
The longer piece was 25cm. Now, find the total length and the length of the shorter wire.
=> 5 : 9 = x : 25
=> First, let’s convert it to fraction
=> 5 = 9
      x   25
=> 25 (5) = x (9)
=> 125 = 9x
=> 125 / 9 = 9x / 9
=> 13.9 = x
Thus the ratio is approximately 5 : 9 = 13.9 : 25




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