Tracy Bignel Math week 3 d 5 - 4 3/8 ¾ $36.35 1 1 $28.49...

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Tracy Bignell - Week 3 Day 5 3.1 pages 219-222 18. 1 1/3 13/18 + 11/18 = 24/18 = 1 6/18 = 1 1/3 38. 1 2/11 9/11 – 3/11 = 6/11 + 7/11 = 13/11 = 1 2/11 44. 2/3 hour Number problem. One task took 7 minutes (min), a second task took 12 min, and a third task took 21 min. How long did the three tasks take, as a fraction of an hour? 7/60 + 12/60 + 21/60 = 40/60 = 4/6 = 2/3 hour 50. 1 1/8 3/8 + 3/8 + 3/8 = 9/8 = 1 1/8 3.2 page 228 22. 420 Find the least common multiple (LCM) for 12, 20, and 35 12 = 2 x 2 x 3 20 = 2 x 2 x 5 35 = 5 x 7 2 x 2 x 3 x 5 x 7 = 420 3.3 page 241 36. 1 11/20 1/3 + 5/12 + 4/5 = 20/60 + 25/60 + 48/60 = 93/60 = 1 33/60 = 1 11/20 44. 19/60 13/15 – 11/20 = 52/60 – 33/60 = 19/60 Activity 7: Kitchen Subflooring page 247 1. $37.01 11 1 $17.88 + $19.13 $37.01 2. $36.35 1 1 $14.99 $21.36 $36.35 3. 1in + 1/8in and 7/8in + 1/4in 1 in + 1/8 in = 1 1/8 in 7/8 + ¼ = 7/8 + 2/8 = 9/8 = 1 1/8
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Unformatted text preview: 4. 3/8 + ¾ @ $36.35 1 1 $28.49 $25.23 + $ 9.15 + $13.05 $37.64 $38.28 5. $5234.40 121 2 121 2 12 $36.35 x12 x 1 44ft 24 14540 +120 +145400 144 +363500 $5234.40 3.4 pages 254 – 257 26. 9/10 1 1/5 + 3 3/10 – 2 4/5 = 2/5 + 33/10 – 14/5 = 4/10 + 33/10 – 28/10 = 9/10 30. 11 1/12 miles 5 1/3 + 2 ¼ + 3 ½ = 16/3 + 9/4 + 7/2 = 64/12 + 27/12 + 42/12 = 133/12 = 11 1/12 48. 1 7/8 % 14 ¼ - 12 3/8 = 57/4 - 99/8 = 114/8 – 99/8 = 15/8 = 1 7/8 % 3.5 page 265 14. 2 2/5 bottles an hour = 2 bottles an hour 1/50 x 1/120 = 1/50 x 120/1 = 120/50 = 2 20/50 = 2 2/3 round =2 16. $30.00 ½ x 1/20 = ½ x 20/1 = 20/2 = 10 10 lbs x $3 $30.00 24. 1 7 11/12 ÷ 6 1/10 = 95/12 ÷ 61/10 = 950/120 ÷ 732/120 = 950/120 x 120/732 = 475/1 x 1/366 = 475/366 = 1 109/366 = 1...
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