askemily10 askemily10
  • 08-02-2014
  • Mathematics
Answered

70 pennies decreased by 20% is

 

 

Answer :

Аноним Аноним
  • 08-02-2014
56 pennies.
That is, [tex]70*\frac{100-20}{100}=70*\frac{80}{100}=70*\frac{4}{5}=\frac{4*70}{5}=4*14=56[/tex]
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megz megz
  • 08-02-2014
56 pennies, you should find 20% of 70 to get 14 and subtract that from 70 to get you answer.
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