8. A man invested $10,000, part at 5% and part is 9%. If the total interest was $660, much did he invest at 5%?
8. A man invested $10,000, part at 5% and part is 9%. If the total interest was $660, much did he invest at 5%?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.7: Mixture Problems
Problem 7P
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