Question

Checking account A charges a monthly service fee of $2 and a per-check fee of $0.30, while checking account B charges a monthly service fee of $3 and a per-check fee of $0.20. How many checks would a person have to write for the two accounts to cost the same? A. 20 B. 10 C. 0 D. 31

Answer 1

The answer would be 10 checks
1.) set the equations equal to each other: 2x+.30=3x+.20
2.) subtract .20 : 2x +.10=3x 
3.) subtract 2x: .10= 1x
4.) divide by .10 and you get 10 

Answer 2

$10 is the answer for apex, that dudes explanation is probably right i just know the answer from trial and error on apex smh