The perimeter of a rectangle is 40 feet. What is the perimeter of a rectangle that has twice the width and twice the height of the first rectangle? 320 feet
160 feet
20 feet
80 feet

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What is the length of the unknown leg in the right triangle ?

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?