
David had $4000 invested for one-fourth of a year at a simple interest rate of 6.1%. How much interest did he earn? ...

Interest = Prt
I = 4000*0.061*(1/4) = $61.00 ...
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User: David had $4000 invested for one-fourth of a year at a simple interest rate of 6.1%. How much interest did he earn?
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