please help with word problem!

Question

the cost of living last year went up 9%. Fortunatley Alice got a 9% raise in her salary from last year. This year she is earning $31,910. How much did she make last year?

Answer 1

x+9%=31,910$

or 109% av x=31,910$

so 1.09*x=31,910

thur, x=31,910/1.09

=29,275.22936

maebee that shood be 29,275$