Mathematics

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Direct and Inverse Variation

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  • 1. Multiple Choice
    15 minutes
    1 pt
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    Write the equation that represents this variation. 
    y=151x
    y=200x
    y=200/x
    y=120/x 
  • 2. Multiple Choice
    15 minutes
    1 pt
    The amount of money earned on a job varies directly with the number of hours worked. If $85.00 is earned in 6 hours, how much is earned in 32 hours of work? 
    $453 
    $3
    $85
    $443
  • 3. Multiple Choice
    15 minutes
    1 pt
    When Darcy's school bus travels at 30 miles per hour, it gets from her home to school in 12 minutes. What is the speed of Darcy's bus if it makes the same trip in 18 minutes?  
    45 mph
    36 mph
    28 mph
    20 mph
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