1. How long in years and months will it take for an investment of $1950 to accumulate to $2129.55 at 6.5% p.a. simple interest? 2. Blossom invested her savings of $2850 in an account that provided a simple interest rate of 4.25% p.a. How long in years and months will it take for her investment to grow to $3021.59? 3. Cristiano borrowed $4225 on June 04, 2014 from a money lender and agreed to repay the loan on April 03, 2015. What would be the repayment amount if the interest rate charged was 7.2% pa.? How much of this is the interest