stephanie by huanghengdong

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									Distance, Speed and
       Time
   By Stephanie Herrera
    D
        To find the
        DISTANCE
         cover up




S   X                 T
               D




 To find the
speed cover
  up the S




 S
               X   T
    D
    D




             To find
            the time
            cover up
              the T




S
S
    X   T   T
 Lets see you work it! What is the
 distance this cruise ship will travel in
 one hour at a speed of 30 knots per hour

                                To find the
                                 distance
                               cover up the
                                     D


                          D

Its asking about
the distance so
cover it up and
do the math                                          To find
                                                  time cover
      Multiply speed by
                                                    up the T
      time 30 knots x 1
      hour =30 Nautical
           miles




                           X                  T
   This is how it works:
• To find the distance multiply
  speed by time
• To find the speed divide distance
  by time
• To find time divide distance by
  speed
    Here is another problem:
 Selena is taking the bus to get to her sisters
   house. The bus is traveling 20 miles per hour.
   the distance from her house to her sisters
   house is 25 miles. How long will she take to
   get to her sisters house?



                                     D


25=distance & 20 =
Speed. So, divide 25/20
= 1 hour and 15 minutes




                     S

								
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