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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?

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet