Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

Marcel puts $2500 into an investment for 3 years at 1.6% per year simple interest. Jacques puts $2000 into an investment for 3 years at $x\%$ per year compound interest. After the 3 years, Marcel and Jacques get the same amount of interest.
(main)[5]

Calculate $x$, giving your answer to 3 significant figures.

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