Respuesta :

For this case we have a function of the form:
 y = A (b) ^ x
 Where,
 A: initial amount
 b: decrease rate
 x: time
 We have then:
 b = 0.15
 Therefore the percentage of decrease is:
 (1-0.15) * 100 = 75%
 Answer:
 
75%
 
option 3

Answer:

75%

Step-by-step explanation:

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