The cost of living last year went up 4% fortunely Alice got a 4% raise in her salary from last year this year she is earning 20,970 how much did she make last year

20,131.2

Answer: $20,163.5✔️ she made last year.

Step-by-step explanation:

Let S the money she made last year.

We know:

Alice got a 4% raise in her salary from last year. Now she earns $20,970

Algebraically expressed it is:

S + S*4/100 = $20,970

104S/100 = $20,970

S = $20,970x100/104 = $20,163.5

Answer: $20,163.5✔️ she made last year

Verify

104S/100 = $20,163.5x104/100 = $20,970✔️checked!

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