math

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Author:
amiss5572
ID:
195867
Filename:
math
Updated:
2013-01-28 15:06:53
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math
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math
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  1. There are 453.59 grams per pound. An infant weighs 6,577 grams. What is the weight of the infant in pounds and ounces?
    6577 grams -:- 453.59=14.5 lbs ie: there are 16 oz per lb, •so 16x .5=8oz ---→ 14lbs 8oz
  2. A sample contains 2/3 oz of liquid How many (mL) is this?
    multiply by 30 oz/mL. 2/3 x 30 = 60/3 = 20 mL
  3. How many meters in a kilometer?
    1000 meters
  4. How many grams are in a kilogram?
    1000 grams
  5. A man's waist measurement is 88.9 centimeters. What is his waist in inches?
    To convert centimeters to inches: 88.9 -:- 2.54 = 35 in
  6. How many millimeters are in a centimeter?
    10 millimeters
  7. How many centimeters are in millimeter?
    1/10 centimeters
  8. 25 chain saws, 14 snow blowers, 18 floor sanders, 12 leaf blowers and 19 power washers. If 25% of the total inventory is available for rental, how many tools can be rented?
    The total inventory is 88 (25+14+18+12+19) 25% of 88 = 88 x 0.25 = 22
  9. The patient currently drink 4 12 oz. cans of diet soda per day. How many ounces of diet soda can the patient drink if he reduces his intake by 25%?
    Patient currently consumes 48 ounces (4x12 oz) Patient has to give up 25% of 48 ounces = 48 x .25 = 12 oz the patient can drink 48 - 12 = 36 ounces
  10. On an annual basis, a hospital deliver 1,820 babies. If 55% of the babies born are boys, how many girls were born in a year?
    If 55% are boys, then 45% must be girls. 1820 x 45% = 819 girl babies
  11. How many gallons are in 80 fluid ounces?
    There are 128 oz per gallon so, 80 fluid oz = 80 / 128 =0.625 gallons
  12. How many centimeters in a meter?
    100
  13. 5*4/13
    5/1*4/13 = 20/13 = 1 7/13

    • mult numerators: 5*4=20
    • mult denominators: 1*13=13
    • change to improper fraction
  14. 4 4/5 * 1 4/6
    8

    answer page 43
  15. 12 / 2 3/8
    5 1/19

    • inverse second fraction
    • multiply 12 * 8 = 96
    • 1*19=19
    • change to mixed number
  16. what is 68% of 45?
    x/45 = 68/100

    x=30.6
  17. how many ounces in 1 gallon?
    128 oz = 1 gallon
  18. how many gallons are in 48 fluid ounces
    0.375
  19. 1 quart = 2 pints = 4 cups = 32 fluid ounces

    1  gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces
  20. 16% of 125
    20
  21. 40% of 75
    30
  22. 4.8% of 800
    38.4
  23. 45 is what % of 75
    60%
  24. 2.54 centimeters = ___ inch
    1
  25. 1 yard = __ feet
    3
  26. 1 gallon = __ quarts
  27. 1 gallon = ___ ounces
    128
  28. 1 quart = 2 pints

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