Math Applications Quiz #C0                Name
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Write the letter name of the answer to each of the following questions:

      1.  A commercial jet averaging 550 mph is airlifting 200 tons of food 
----      and medical supplies to a third-world country 8,250 miles away. The 
          supplies are transferred to a smaller, propeller-driven plane which 
          averages only 200 mph but can land on the shorter, rural runways.  
          The jet can carry 80,000 lb of cargo at a time, the prop, 4000 lb.  
          The local runways average 60 mi from the main airport.  It takes 2 
          hr to load or unload the larger transport, 30 min for the smaller.  
          Cargo can be transferred directly from one plane to the other.  If 
          the airlift begins loading at 6:00 a.m. Monday and proceeds nonstop, 
          at what time next Monday will the airlift portion of the operation, 
          including the final unloading and return trip, be finished?

      2.  A track meet needs the following resources to set up and run its
----      events:  400 m run (25 min, running track), high jump (1 hr, jumping 
          area), javelin (45 min, football field), 100 m sprint (20 min, 
          running track), discus (40 min, football field), 5000 m run (35 min, 
          running track), pole vault (1 hr 25 min, jumping area), 10,000 m run 
          (55 min, running track), hammer throw (50 min, football field), 
          steeplechase (1 hr 30 min, running track and football field), long 
          jump (1 hr 15 min, jumping area).  Allowing 1 hr to set up and 45 
          min to clean up, at what time will the meet have to start setting up 
          in order for the football organizers to have the stadium at noon for 
          the 1:00 p.m. game?

      3.  A teacher has 5 classes averaging 24 students each.  She gives an 8-
----      page exam to each class.  3 pages are essays; the rest are fill-in.  
          It takes her 30 sec to grade an objective page and 2 min to grade an 
          essay page.  The first exam is on Monday.  If she starts grading at 
          2:30 p.m. each day, how late will she have to work each day, on the 
          average, in order to turn her grades in by Friday morning?

      4.  A snowplow clears a driveway measuring 14 by 38 feet in 6 minutes.
----      The next job is to clear a parking lot measuring 190 by 280 feet.  
          If the contractor starts this new job at 7:30 a.m., at about what 
          time should the job be finished?

      5.  A train left Memphis at 10:57 a.m. CST and returned at 11:21 p.m. 
----      CST with a layover in Atlanta of 20 min.  A commuter took the train 
          from Memphis to Atlanta but flew home because of an emergency.  His 
          total travel time was 6 hr 52 min.  If the aircraft returned to 
          Atlanta at 9:05 p.m. EST after a 1 hr layover in Memphis, at what 
          time did the man return home?

      6.  An executive in San Diego receives a phone call at 8:05 a.m. PST to 
----      return to the home office in St. Louis.  At 11:06 a.m. EST, another 
          executive in Boston gets a similar call.  If each executive needs 2 
          hr to travel by company jet, when is the earliest they can meet?

Possible answers:  (Some answers may be used more than once or not at all.)

A. 6:45 am   C. 5:30 am   E. 12:05 pm  H. 5:25 pm   K. 6:30 pm   M. 3:00 am
B. 5:25 am   D. 6:30 am   G. 6:45 pm   J. 5:30 pm   L. 12:06 pm  N. 3:00 pm