New SAT Math Workbook

# B out of b g are boys c the total cost is d 100 which

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Unformatted text preview: ns.com 52 Chapter 3 Exercise 4 1. (C) There are B + G students in the class. B out of B + G are boys. (C) The total cost is D + 100, which must be divided by the number of men to find each share. Since there are M men, each man must contribute 3. (A) D + 100 dollars. M Retest 1. 2. (A) There were 50 appliances sold in January; 12 were freezers. 50 2. (D) Change all measurements to minutes. One day is 60 · 24 or 1440 minutes. 4 hr. 20 min. = 260 min. 260 13 = 1440 72 3. (B) 1 1 2 1 S students study French. of S or S 3 4 3 6 1 2 2 4 X books are novels. of X or X are 3 5 3 15 poetry. The total of these books is 1 4 9 6 2 X + X or X , leaving X or X books 3 15 15 15 5 study Italian. 4. 1 (E) They spent t the first week. They spent 5 1 4 4 of t or t the second week. During these two 3 5 15 1 4 7 weeks they spent a total of t + t or t , 5 15 15 8 leaving t . 15 71 5 (B) The G gallons fill - or of the tank. 84 8 5 8 x =G Multiply by . 8 5 8G x= 5 which are nonfiction. 4. (A) 2 3 1 of or of the term paper was 3 4 2 1 completed on Saturday. Since 4 was completed on Friday, 1 + 1 or 3 was completed before Sunday, leaving typed on Sunday. 5. 6. (C) 36 minutes is 2 5 40 = 2 x 20 = x 36 3 or of an hour. 60 5 4 2 4 1 to be 4 5. (B) 8 = x Multiply by 5. Divide by 2. This is the total number of hours needed to read the book. Since Laurie already read for 8 hours, she will need 12 more hours to finish the book. 7. (E) 2 x = 28 7 2 x = 196 x = \$98 Multiply by 7. Divide by 2. 8. (A) Mr. Goldman worked a total of X + Y hours. Y out of X + Y was done on Sunday. (B) 1 1 1 of or are under 40. Since 4 2 8 11 5 3 + or are over 60 or under 40, are 28 8 8 9. between 40 and 60. 10. (C) There is a total of R + S + T buildings on the block. R + S out of R + S + T are one or two family houses. www.petersons.com Variation 4 5. Ms. Dehn drove 7000 miles during the first 5 months of the year. At this rate, how many miles will she drive in a full year? (A) 16,000 (B) 16,800 (C) 14,800 (D) 15,000 (E) 16,400 A gear having 20 teeth turns at 30 revolutions per...
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