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Qantas shares pay a yearly return of 9% while Telstra shares pay 11%. John invests
$1500 more on Telstra shares than on Qantas shares, and his total yearly earnings from
the two investments is $1475. How much did he invest in Qantas shares?​

Respuesta :

janmilczek

Answer:

John invested $6550 into Qantas

Step-by-step explanation:

Let's mark his investment into Qantas as x. We can rewrite the problem statement as:

(x+$1500) * 0.11 + x * 0.09 = $1475

0.11x + 0.11 * $1500 + 0.09x = $1475

0.2x + $165 = $1475

0.2x = $1310

x = $6550

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