47.16 to the nearest tenth

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?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position