Respuesta :

sadams7501
Subtract the 17190 from the 21840. you get 4650. 4650 divided by 21840 is 0.21. The percent decrease is 21%

Answer: The cost of operation was reduced by 21.29%.

Step-by-step explanation:

Since we have given that

Cost of operation earlier = $21,840 per month

Cost of operation now = $17,190 per month

Difference between them is given by

$21,840 - $17,190

=$4,650

Percentage by which the cost of operation was reduced is given by

[tex]\dfrac{4650}{21840}\times 100\\\\=21.29\%[/tex]

Hence, the cost of operation was reduced by 21.29%.

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