lab 22

MATH 015 Lab 22 (Sections 6.2 – 6.3) 9/2019 Members of Group: ________________________________ ______________________________ ________________________________ ______________________________ For Exercises 1 – 8, write and solve a percent equation. Write the answer in a complete sentence. 1. Mrs. Dendrinos earned $67,000 last year. She paid $16,750 in federal tax. What is the federal tax rate for that salary? 2. Not all states charge the same sales tax rate. Dan left NJ and traveled to another state to purchase a jacket. His bill was $218 before sales tax. The bill was $235.44 after tax. What was the tax rate in this other state? 3. Sharon works as a sales associate and earns all of her salary in commission. a) Last month, she had sales that totaled $24,000. However, when she received her paycheck, she saw that she had received $33,000 in commission. Why must this be an error? b) Human Resources caught the error. Sharon was supposed to receive $3300 in commission. What is Sharon’s commission rate? Faith Callan 67 , 000 x = 16 , 750 Federal tax rate 67 , 000 61 , 00 is 25 % X = 0 . 25 235 . 44x = 218 The tax rate 265 . 44 239 . 44 was 92 % X = 0 . 92 The earned commission is a percentage of sales so it needs to be lower than the sales . Sharon's Commission 3300 = X . rate is 13 . 75 % 24 , 000 X = 0 . 1315 w

c) The next month Sharon received $2200 in commission. What was the amount of her sales that month? 4. Henry received a mailer from Shop Rite with the following three coupons inside: $16 off the final bill, 15% off the final bill, and 1 5 off the final bill. He can only use one of the coupons and they may not be combined. If he spends $88 at Shop Rite, which coupon should he use? 5. A buyer paid $26 for each pair of jeans she purchased from Macy’s. She then sold each pair for $56. What is the mark-up rate? Round to the nearest whole number percent. 6. Juan has been consuming 4500 calories per day. He is going on a diet and plans to consume only 2300 calories per day. Find the percent decrease in the number of calories. 7. Jen works for a store that sells televisions. The regular price for the one she wants to buy is $438. It is on sale for 20% off and Jen gets to use her employee discount for 20% off the sale

MATH 015 TAKE HOME Quiz #7, Section 6.1 – 6.3 Name: In order to receive full credit, all supporting work must be shown . Show all numbers and operations used for each problem. Write neatly and clearly indicate your final answer. If I cannot read and follow your work, you will not receive credit. Total Points: 30 1. (1 point each) Convert the following decimals into percents. Show your work . a. 0.005 b. 2 2. (1 point each) Convert the following percents into decimals. Show your work . a. 0.25% b. 5 1 % 8 3. (1 point each) Convert the following fractions into EXACT percents. Show your work a. 4 5 b. 1 8 3 4. (1 point each) Convert the following percents into fractions in lowest terms. Show your work . a. 40.5% b. 2 3 % 5 5. ( 1 point each) Complete the table below. Give exact answers. Fraction Decimal Percent 0.19 320% 4 9

6. (1 point each) Write the percent equation and solve a. 12 is 25% percent of what number? b. 95 is what percent of 38? 7. James and Jen go out to dinner. The bill before tax is $65. a. (3 points) If the sales tax rate is 1 5 % 4 for the dinner, how much did they pay in tax? Round to two decimal places. b. (3 points) What was the total amount paid for the dinner, including tax? 8. (2 points) A 20.5% commission was made on the sale of a diamond ring. If the commission was $1200, what did the ring sell for? Round to the two decimal places. 9. Tom earns a base pay of $900 per week plus gets 10% commission on sales . His sales last week were $2400. a. (2 point) How much did Tom earn in commission? b. (1 point) What was his total salary for that week? 10. (3 points) Frank sells medical supplies on the road. He drove a total of 26,400 miles in his car last year. He declared 69% of his mileage as business travel. How many miles did he travel on business last year?