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January 31, 2015

January 31, 2015

Posted by **Jackie** on Monday, May 20, 2013 at 1:46pm.

- Math 208 -
**MathMate**, Monday, May 20, 2013 at 1:53pmLet x be the amount he invested at 6%.

Then x-1400 is the amount he invested at 5%.

Total interest after 1 year

x*0.06+(x-1400)*0.05=172

0.11x=172+1400*0.05

0.11x=242

x=2200

Check

2200*0.06+800*0.05=132+40=172 ok.

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