From tech troubles to travel tips, IDNLearn.com has answers to all your questions. Get comprehensive and trustworthy answers to all your questions from our knowledgeable community members.

A bank loaned out ​$18,000​, part of it at the rate of 9% per year and the rest at 19% per year. If the interest received in one year totaled ​$​3000, how much was loaned at 9%
How much of the ​$18,000 did the bank loan out at 9%?