Respuesta :

820/4 because 25% is a fourth of something. 820/4=205. Then you take 820-205=615, so 820 decreased by 25% is 615
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Answer:

Only answering to get points but the answer is 615.

Step-by-step explanation:

820 x 0.25 = 205

820 - 205 = 615 your answer.