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​Betsy, a recent​ retiree, requires ​$6 comma 0006,000 per year in extra income. She has ​$60 comma 00060,000 to invest and can invest in​ B-rated bonds paying 1313​% per year or in a certificate of deposit​
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​Betsy, a recent​ retiree, requires ​$6 comma 0006,000 per year in extra income. She has ​$60 comma 00060,000 to invest and can invest in​ B-rated bonds paying 1313​% per year or in a certificate of deposit​ (CD) paying 33​% per year. How much money should be invested in each to realize exactly ​$6 comma 0006,000 in interest per​ year?

User Head Geek
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7 votes

Answer:

15x+.07(50,000-x)=6,000

.15x+3,500-.07x=6,000

.08x=6,000-3,500

.08x=2,500

x=2,500/.08

Step-by-step explanation:

User Graham Russell
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