In planning her​ retirement, Liza deposits some money at 1.5% ​interest, with twice as much deposited at 2.5%. Find the amount deposited at each rate if the total annual interest income is ​$715715. Kade Reese 2022-07-27 Answered In planning her​ retirement, Liza deposits some money at 1.5% ​interest, with twice as much deposited at 2.5%. Find the amount deposited at each rate if the total annual interest income is ​$715715.
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Alanna Downs
Total interest $=\frac{\left(x\right)\left(1.5\right)\left(1\right)}{100}+\frac{\left(2x\right)\left(2.5\right)\left(1\right)}{100}=715715\phantom{\rule{0ex}{0ex}}\left(1.5\right)x+\left(5x\right)=71571500\phantom{\rule{0ex}{0ex}}\left(6.5\right)x=71571500\phantom{\rule{0ex}{0ex}}x=11011000$
amount deposited ar 1.5%=11011000 $ar 2.5%=2(11011000)=22022000$