The cost of living last year went up 7%. fortunately, alice swanson got a 7% raise in her salary from last year. this year she's earning $42,805. how much did she make last year?

Let x represent the money she earned last year.

100% - 42,805$ - her salary now.
7% - ? $ - her raise.
Decide by proportion:
1) =2,99635$ - 7% of raise.
2) 42,805-2,99635=39,80865$ - she did make last year.
Reply: 39,80865$ she did make last year.

/-/////////looks tough ‍♂️