"Let it be known to you then that this salvation of God has been sent to the Gentiles, they will listen". This implies that
Answer Details
The statement "Let it be known to you then that this salvation of God has been sent to the Gentiles, they will listen" implies that the Gentiles will be more receptive to Christianity than the Jews. In other words, the author of this statement, believed that the message of salvation through Jesus Christ would be well received by the Gentiles, or non-Jewish people, and that they would be more likely to listen and accept it compared to the Jews. This does not mean that the Jews have lost the opportunity of salvation forever or that Paul has completely lost hope in the Jews. It simply means that the author believed that the Gentiles were more open to the message of salvation.