Compound interest Al invests some money in a bank that pays 5% compound interest per year
She wants it to be worth £8000 at the end of 3 years
What is the smallest amount she could invest?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]