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Phyllis invested 42000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 6 percent per year. After one year the total interest earned on these investments was 2080 dollars. How much money did she invest at each rate? At rate 4 percent : At rate 6 percent :

Phyllis invested 42000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 6 percent per year. After one year the total interest earned on these investments was 2080 dollars. How much money did she invest at each rate? At rate 4 percent : At rate 6 percent :

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Phyllis invested 42000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 6 percent per year. After one year the total interest earned on these investments was 2080 dollars. How much money did she invest at each rate? At rate 4 percent : At rate 6 percent :
Transcribed Image Text:Phyllis invested 42000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 6 percent per year. After one year the total interest earned on these investments was 2080 dollars. How much money did she invest at each rate? At rate 4 percent : At rate 6 percent :
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