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Yeah it does. Thanks! I have a graphics calculator..but i hate using it. I don't know why...it just annoys me.

Theo invests a sum of money in an account at an interest rate of 7.5% per annum. The time taken, n, for Theo's investement to double in value can be found by solving the equation (1.075)<SUP>n </SUP>= 2 (i) Use the method of substitutio to find the solution to this equation, correct to the...