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# B amount of increase 20000 20 000 1 percent of

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Unformatted text preview: increase = 30, 000 = 1 = 100% 5. (A) Amount of decrease = 50 50 1 Percent of decrease = = = 25% 200 4 1 · 60,000 = \$15,000 added cost 4 Original sale price = \$75,000 20% = 1 5 1 · 75,000 = 15,000 discount 5 Final sale price \$60,000 Therefore he made nothing on the sale. 3. (B) Discount = 30 cents. Rate of discount is figured on the original price. 30 1 = = 25% 120 4 4. (D) 12 % = 1 2 1 8 1 · 160 = \$20 discount 8 New sale price = \$140 3% = 3 100 3 420 · 140 = 100 100 = \$4.20 second discount \$135.80 final sale price Therefore, \$160 – \$135.80 or \$24.20 was saved. Note: The amount saved is also the sum of the two discounts—\$20 and \$4.20. 5. (E) \$6 is 75% of the marked price. 6= 3 x 4 24 = 3x x = \$8 www.petersons.com Verbal Problems Involving Percent 99 Exercise 3 1. (C) She sells 15 ads at \$50 each for a total of \$750. She earns 6% of this amount. 750 × .06 = \$45.00 2. (D) He earns 5% of (\$2130 - \$750). 1380 × .05 = \$69.00 Add this to his base salary of \$125: \$194. 3. (B) If his base salary was \$100, his commission amounted to \$702. 702 is 3% of what? 702 = .03x 70,200 = 3x \$23,400 = x 4. (A) \$27 is 90% of what he collected. 27 = .90x 270 = 9x x = \$30 30.00 If each paper sells for 20 cents, he sold .20 Exercise 4 1. (C) 16 2 1 %= 3 6 5 of the original price. 6 \$10 is 10 = 5 x 6 60 = 5x x = 12 2. (B) The store gave Alice 80% of the price she paid. 80% = 3. (A) 4 5 4 · 120 = \$96 5 \$150 is 125% of the cost. 150 = 1.25x 15,000 = 125x x = \$120 4. (C) Work with an easy number such as \$100 for the selling price. 20% = 1 5 1 · 100 = \$20 profit, thereby 5 20 1 80 or 150 papers. 5. making the cost \$80. 5. = 4 = 25% (C) \$73,600 is 92% of the selling price. 73,600 = .92x 7,360,000 = 92x \$80,000 = x (D) The dealer wishes to make 20% or of 5 \$60, which is \$12 profit. The dealer wishes to clear \$60 + \$12 or \$72. \$72 will be 90% of the marked price. 72 = .90x 720 = 9x x = \$80 1 www.petersons.com 100 Chapter 6 Exercise 5 1. (B) 20,000 × .075 100 000 1400 000 1500.000 2% of \$1000 = \$20 3% of \$2000 = \$60 4% of \$3000 = \$120 5% of (\$25,000 – \$6,0...
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## This note was uploaded on 08/15/2010 for the course MATH a4d4 taught by Professor Colon during the Spring '10 term at Embry-Riddle FL/AZ.

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