Nina deposits $3500 into a savings account. the rate of simple interest is at 5.5% annually. By how much does the amount in her
1 answer:
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given h = 600 - 16t ( add 16t to both sides )
16t + h = 600 ( subtract h from both sides )
16t = 600 - h ( divide both sides by 16 )
t =
when h = 400
t = =
= 12.5 seconds