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January 30, 2015

January 30, 2015

Posted by **Emmett** on Saturday, July 28, 2012 at 9:11pm.

- algebra -
**drwls**, Sunday, July 29, 2012 at 2:28amLet x be the amount invested at 2% interest and y be the amount invested at 4% interest

x + y = 6200

0.02x + 0.04y = 148

Solve that pair of equations.

0.02x + 0.04(6200 -x) = 148

-0.02x + 248 = 148

0.02x = 100

x = 5000.

y = 1200

- algebra -
**lulu**, Monday, August 20, 2012 at 11:10pmThe simple interest paid on a loan after 6 months was $306. The annual interest rate was 8%. Find the principal.

- algebra -
**jaden**, Monday, December 3, 2012 at 4:10pmcan't figure it out yet let me know how it goes

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