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Jodi's family produces 48 kg of garbage each week. What is the percentage decrease if they reduce the amount of garbage to 40 kg per week?

Respuesta :

Tikiman
In this case, the unknown value is the percentage decrease. The formula to be used for calculating decrease in percentage is:
 pd=((ov-dv)/ov)*100
where pd=percentage decrease, ov=original value and dv=decremented value. Substituting with the real values the calculation is:
 ((48-40)/48)*100=16.67%
So the percentage decrease in garbage production per week is 16.67%.

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