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ratelena [41]
3 years ago
14

Can anyone help? Will give Brainly + 22 pts .

Mathematics
1 answer:
inna [77]3 years ago
4 0

Answer:

 

0.08*x   + 0.09*(9000-x) = 750    dollars

0.08x + 810 - 0.09x = 750

-0.01x = 750 - 810 = -60  ====>  x = %28-60%29%2F%28-0.01%29 = 6000.

Answer.  $6000 was invested at 8%.  The rest   9000-6000 = 3000 dollars were invested at 9%.

Check.   0.08*6000 + 0.09*3000 = 480 + 270 = 750 dollars.   ! Correct !

have a great day

hope this help

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