Neco Model Questions Vol1 2022 Geography Question 13
Practice objective / multiple choice question 13 from the 2022 Neco Model Questions Vol1 Geography examination.
Two types of rock are weathering. Initially rock A weighs 6\,000\,kg and loses mass at a constant rate of \(2\%\) per year. Rock B initially weighs 5\,000\,kg and loses mass at a constant rate of \(1.5\%\) per year. After how many whole years will the two rocks have the same mass? Give the answer rounded to the nearest year.
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About This Question
This is Neco Model Questions Vol1 2022 Geography Question 13. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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