Question

If Bank A charges a monthly service
fee of $2.50 and a per-check fee of
$0.15, while Bank B charges a
monthly service fee of $4 and a per-
check fee of $0.05, which bank will
charge a customer more in fees if
she writes 18 checks per month, and
by how much?

Answer 1

The bank which will charge a customer more in fees if she writes 18 checks per month, and by how much is Bank A by $0.30

How to write and solve equation?

let

• x = number of checks

Bank A = 2.50 + 0.15x

= 2.50 + 0.15(18)

= 2.50 + 2.7

= $5.20

Bank B = 4 + 0.05x

= 4 + 0.05(18)

= 4 + 0.9

= $4.9

Difference in charges = $5.20 - $4.90

= $0.30

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