ahochstedler ahochstedler
  • 18-01-2017
  • Mathematics
contestada

Decreasing 40 to 20 is the same as decreasing 40 by one-half of . So, it is a 50% decrease.

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hap092002
hap092002 hap092002
  • 18-01-2017
Yes it is also a 50% decrease.

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