The Mathematics of Money

(Darren Dugan) #1

Copyright © 2008, The McGraw-Hill Companies, Inc.


Exercises 15.1 589


  1. Cyndi makes $22.45 an hour and is paid biweekly. Her time card for the last 2 weeks is given below. Calculate her gross
    pay for this pay period.


Week Ending Sun Mon Tues Wed Thurs Fri Sat

January 24 0 5 3 0 7 7 5
January 31 0 8 14 12 11 7 0


  1. Tom is paid $11.36 an hour for straight time, and receives a 75% weekend differential for Saturdays and Sundays. His
    time card for the last 2 weeks is given below. Calculate his gross pay for this 2-week period.


Week Ending Sun Mon Tues Wed Thurs Fri Sat

January 11 00858 88
January 18 00069112


  1. Suppose you are paid $12.44 an hour straight time, but you earn double-time for holidays. Your time card for the last
    2 weeks is shown below. Calculate your gross pay for this 2-week period. (Don’t forget that July 4 is a holiday!)


Week Ending Sun Mon Tues Wed Thurs Fri Sat

July 5 0 5 7 9 3 9 0
June 18 0 8 8.5 8.5 9.5 0 8

C. Gross Pay: Piece Rate


  1. Kriss has a job doing customer surveys at a local shopping mall. She is paid a base weekly salary of $200, and she
    also is paid on the basis of the number of surveys she completes in the week using the following scale:


Surveys Rate

0–20 $1.40
21–50 $3.40
Over 50 $4.50

Calculate her gross pay for the week if she completes 72 customer surveys.


  1. A telemarketer for a credit card company is paid $25 per shift, plus a piece rate based on the number of his calls that
    result in new credit card applications. The rate scale is:


Applications Rate

0–5 $4.25
6–10 $5.15
Over 10 $7.25

Calculate his gross pay for a shift in which he solicited 10 applications.

D. Gross Pay: Commission


  1. Suppose I am paid a 14% commission on weekly sales up to $2000, and 18% on weekly sales above this amount.
    (a) Calculate my commissions for a week in which I made $4785 in sales. (b) If I received a draw of $400 for that
    week, calculate my gross pay for the week.

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