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ale4655 [162]
3 years ago
14

If a person invested half of her money at 9% and half at 7% and received $160 interest, find the total amount of money invested.

Mathematics
2 answers:
mr Goodwill [35]3 years ago
5 0

Answer:

$2000

Step-by-step explanation:

let x be the money she invested

lets assume this was for 1 year

0.09(x/2) + 0.07(x/2) = 160

multiply each side by 2 to cancel the denominators:

0.09x + 0.07x = 320

0.16x = 320

x = 2000

Cloud [144]3 years ago
5 0

Answer: $2000

Let the amount of money she invested be x

Lets assume the time of investment as 1 year

ATQ

0.09(x/2) + 0.07(x/2) = 160

0.09x + 0.07x = 320

0.16x = 320

x = 2000

Must click thanks and mark brainliest

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