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NEED HELP PLEASE BEEN WORKING 1 HOUR

NEED HELP PLEASE BEEN WORKING 1 HOUR-example-1

1 Answer

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an=9432+9432*0.075(n-1)

n>1

second problem

9432+9432*0.075(n-1)

plug in 15

9432+9432*0.075(15-1)

multiplication

9432+9903.6

add

19335.6

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