Sarah's two student loans totaled $12,000. One of her loans was at 6% simple interest and the other at 9%.?

Sarah's two student loans totaled $12,000. One of her loans was at 6% simple interest and the other at 9%.? https://www.studyhelpus.com/Questions & Answers/sarahs-two-student-loans-totaled-12000-one-of-her-loans-was-at-6-simple-interest-and-the-other-at-9/