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For each question below, provide well-organized solutions showing all required steps. While calculators may be used for numerical calculations, other mathematical steps must be shown and justified in your written solutions and specific marks may be allocated for these steps. Be sure to demonstrate your understanding of the grade 11 course material by justifying your answers using the knowledge and skills learned in our class. 1. To pay for a vacation, Keith borrowed $5000, at 6%/a compounded quarterly. The loan must be repaid in full after 3 years. How much must Keith repay? How much interest does this repayment include? 2. When Francesca turned 8 years old, each year her uncle invested $3000 at 6.5 % /a compounded annually, to help pay for her education. What was the investment worth on Francesca's 17th birthday?