Use the following figures to find out if an error exists either in the bank's balance or the customer's record book. the ending balance on the statement is $378.19. three checks are outstanding: #5104 for $30.90; #5123 for $17.50; and #5124 for $98.10. a deposit of $309.00 has not yet been credited. a service charge of $4.21 has been made. the balance in the record book is $544.90. does an error exist? yes or no?

Yes, the error exists in the customer's record book

Step-by-step explanation:

The ending balance on the statement = $378.19

The amount of outstanding checks are to be deducted from the from the balance.

Hence now, the balance = 378.19 - (30.9+17.5+98.1)

                                        = $231.69

Deposit is added in the balance = 231.69+309

                                                     = $540.69

Service charge is been deducted = 540.69 -4.21

Balance in the bank statement = $536.48

Yes, the error exists in the customer's record book. Since, the balance in the bank statement does not matches the customer's record book.

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb