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Asquare parking lot has 6,400 square meters what is the length in meters

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Which value would be a solution for x in the inequality 47-4x< 7