Slide 1

PERCENT OF A # UNIT6

Slide 2

WELCOME BACK! Whatd you do over Break?? (on a piece of paper)

Slide 3

EXPECTATIONS Behavior Attendance Homework & Extra Credit financialalgebra.weebly.com Grading

Slide 4

PERCENTAGES Cent is Latin for one hundred. Therefore, a percentage is a ratio where the second number is 100. Percentages will be everywhere for the rest of your lives.

Slide 5

OF AND PER (hopefully for the last time) In mathematics. Of means ______ Per means _______

Slide 6

TO CALCULATE % OF A NUMBER 1. Convert % to a decimal by dividing by 100. 2. Multiply by the number.

Slide 7

CALCULATING PERCENT OF A NUMBER 1. Find 15% of 100. 2. 15% of 25. 3. 13.4% of 89.23. 4. 4% of 27.

Slide 8

APPLYING YOUR KNOWLEDGE You work as a waitress. Because youre a math nerd and love money, youve been keeping data on your customers for the past month. Youve found that on the average Tuesday night, you wait on 8 tables. The average bill per table is $53.50. Your customers always leave you a tip; the lowest tip you expect is 15% of the bill, and the highest tip you expect is 20% of the bill. What is the range you should expect in your total tips for next Tuesday night?

Slide 9

Jamie accepted a job through an employment agency. The job pays $1,500 a week. The agency charges 30% of her first 4 weeks pay. How much does Cherie owe the employment agency?

Slide 10

TRUE STORY Charif Souki is the CEO of Cheniere Energy. This happy guy made $141,949,280 in 2013. His total earnings for 2013 accounted for 53.1% of Cheniere Energys total revenue! (Every other employee and cost of C.E. was left with 46.9% of the total revenue). *as a side note, this was up 147% from his previous years paycheck How can we calculate Cherniere Energys total revenue from 2013?

Slide 11

SOMEWHAT LESS CRAZY 1. Stephen Kaufer is the CEO of TripAdvisor. He was paid $39,014,227 in 2013, which was 4.1% of TripAdvisors total Revenue. What was the total Revenue in dollars for TripAdvisor in 2013? 2. Googles Total Revenue in 2013 was 15.7 billion dollars. Larry Page is Googles CEO. According to Erik Sherman, most CEOs are paid between 0.1% and 0.4% of a companys total revenue. If that is how Google pays Larry Page, calculate his hypothetical salary range.

Slide 12

BELL WORK Take a whiteboard and marker from my desk. 1. How much does a T.V. cost if its 20% off the original price of $1,700? 2. 15% of a number is 1,353. What is the original number?

Slide 13

Sam pays $50 semimonthly for health insurance which is 15% of the total cost. His employer pays the rest. Whats the total cost of Sams health insurance for the year?

Slide 14

You paid 5% of your total income to taxes last year. In dollars, this was $5,000. How much money did you make last year?

Slide 15

WORD PROBLEMS 1. Read the whole problem. 2. Label what you know. 3. Label what you want to solve for. 4. Solve

Slide 16

EXAMPLE I made $5,000 last year playing the violin in weddings. Im paid $250 for each wedding. How many weddings did I play at last year?

Slide 17

Aragorn makes baskets. For each basket he makes, Aragorn earns $450. Last week Aragorn earned $3,150. How many baskets did Aragorn make last week? Aragorn wants to make $40,000 next year selling his baskets. If he can make 500 basket each year, how much should he charge for each basket?

Slide 18

A WEE MORE MORE COMPLEX Diana works at a shoe store where she is paid by the hour. If she works over 40 hours/week, she gets paid time and a half. If Diana makes $9.80/hour and she worked 45 hours last week, how much in total did she make?

Slide 19

Fan works at a coffee shop and is paid by the hour plus time and a half for hours over 40. Last week he worked 4 hours overtime and his gross (total) pay was $532.34. What is his hourly wage?

Slide 20

Sandro works 40 hours a week at a nursing home and gets paid double for any overtime he puts in. Last week he made$2,500 and worked 10 hours of overtime. How much is Sandro paid per hour?

Slide 21

Rosie is paid $5 per bear for the first 100 teddy bears she makes. She earns $8 for each bear over 100. This week she assembled 170 bears. How much did she earn?

Slide 22

EXIT TICKET 1. Mrs. Brown has been working in a factory for 28 years. She is preparing to retire. Her pension is calculated on the average of her last 3 years salaries where she earned $38,592, $37,590, and $37,010. Her employer will give her 1.8% of that average for each year she worked. Calculate her pension. 2. In 2008, Anna paid $3,875 in Social Security tax. If the Social Security tax rate was 6.2% to the maximum income of $94,200 that year, what was Annas taxable income?