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An actor invests some money at 99​%, and ​$4200042000 more than four timesfour times the amount...

An actor invests some money at 99​%, and ​$4200042000 more than four timesfour times the amount at 10 %.10%. The total annual interest earned from the investment is ​$4242042420. How much did he invest at each​ amount? Use the​ six-step method.

He invested $_____ at 9% and $_____ at 10%.
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