1. What is the Formula for the TOTAL COST of simple interest problems ? (Remember, the one with P, R, T,) 2. What is the Formula for the TOTAL COST of Compound interest? (Remember, the one from Friday with Pv, R, N and Nv) 3. Simon borrowed $1,000 for 2 years at 5% compound interest rate every year. How much did he owe after 2 years? 4. Bonita wants to store 1/2 pound of sugar in 3 separate containers.? What fractional part of a pound of sugar will be each container? 5. Sam borrowed $4,500 for 2 years and had to pay $630 simple interest at the end of that time. What rate of interest did he pay? 6. If the present value of my investment is $1,000 and the rate of interest is 10% compounded annually, what will the value be after 3 years?