SOLUTION: one local bank charges $10 monthly fee plus 5cents per check written in that month while another bank charges $5 monthly fee plus 10 cents per check written in that month. find the

Question 951302: one local bank charges $10 monthly fee plus 5cents per check written in that month while another bank charges $5 monthly fee plus 10 cents per check written in that month. find the number of checks written per month makes the first bank a better deal?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
a=bank one charge; b=bank 2 charge; c=no.of checks
a=$10+$0.05c
b=$5+$0.10c
Number of checks when both cost the same:
a=b
$10+$0.05c=$5+$0.10c Subtract $5 from each side
$5+$0.05c=$0.10c Subtract $0.05c from each side
$5=$0.05c Divide each side by $0.05
100=c Both banks charge the same when the number of checks written is 100.
ANSWER: Bank A is a better deal if you write more than 100 checks per month.

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