Alice had an ending balance of $546.78, outstanding deposits totaling $412.39, and outstanding checks totaling $872.63. How much additional money does she need in her account to pay the telephone bill, which is $148.19?

The ending balance and outstanding checks are both negative in the book of accounting. The positive item she had is only the outstanding deposits. We let x be he amount she will need in order to pay for her telephone bill and that,

148.1 = x + 412.39 - (546.78 + 872.63)

From the equation above, the value of x is 1155.12. Thus, she needs an additional amount of approximately $1155.12 to pay for her telephone bill.