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

$20,163.5✔️ she made last year.

Step-by-step explanation:

Let S the money she made last year.

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

$20,163.5✔️ she made last year

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

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

12cm

the answer is d