Mathematics

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• Garden hose
  Miguel wound a garden hose around a circular real. If the diameter of the real is 10 inches, how many inches of hose was wound on the first full turn of the real round the answer to the nearest whole inch use 3.14 for pi.
• A ribbon
  Bree has piece of ribbon that is 6 inches long. She needs to cut it into equal pieces measuring 3/4 of an inch. How many pieces will she have? Answer in simplest form
• The track
  The track is ⅗ a mile long. If Tim ran the track three times, how far did he run? Answer AS A DECIMAL.
• Buns
  Dona has 50 buns. She sold 9/10 of it and gave 3 of the remaining buns to her brother. How many buns are left to dona?
• The angles 4
  The angles of a triangle are divided into the ration 126: 213: 312. If the three angles sum to 180°, find the size of each of the three angles.
• Robin
  Robin needs 3 1/4 meter long of red lace, 5 meters of yellow lace, and 2 1/2 meter of pink lace for her project. How many lace does she need all?
• A disease
  A disease affects 10% of the individuals in a population and a sample of 100 peoples selected from the population. What is the probability of finding the disease in at least in at least 15 people?

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