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anonymous
 one year ago
will give medal
Mr. Brownwood invests a certain amount of money at 9% interest and $1,800 more than that amount in another account at 11% interest. At the end of one year, he earned a total of $818 in interest. How much money was invested in each account?
A) $3,500 at 9%; $4,300 at 11%
B) $3,400 at 9%; $3,200 at 11%
C) $3,100 at 9%; $4,900 at 11%
anonymous
 one year ago
will give medal Mr. Brownwood invests a certain amount of money at 9% interest and $1,800 more than that amount in another account at 11% interest. At the end of one year, he earned a total of $818 in interest. How much money was invested in each account? A) $3,500 at 9%; $4,300 at 11% B) $3,400 at 9%; $3,200 at 11% C) $3,100 at 9%; $4,900 at 11%

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kropot72
 one year ago
Best ResponseYou've already chosen the best response.1The equation that you need to solve this is: 0.09a + 0.11(a + 1800) = 818 Where a is the amount invested a 9%.
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