# SOLUTION: Mr. McTier invests \$600 at 9% per year, and \$800 at 12% per year. During what time period will the \$1,400 earn between \$525 and \$975, inclusive, in simple interest?

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Numbers -> SOLUTION: Mr. McTier invests \$600 at 9% per year, and \$800 at 12% per year. During what time period will the \$1,400 earn between \$525 and \$975, inclusive, in simple interest?      Log On

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 Click here to see ALL problems on Numbers Word Problems Question 447458: Mr. McTier invests \$600 at 9% per year, and \$800 at 12% per year. During what time period will the \$1,400 earn between \$525 and \$975, inclusive, in simple interest?Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website!800@12%= \$96 600@9%=\$54 96+54=150 per year from \$1400 Let time be t 525<150t<975 525/150 3.5 between 3.5 to 6.5 years