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Huge quantities of grain, corn, coal, petroleum, and other products make their way up and downstream on the Mississippi River each year. How huge? Study the comparisons on this page--then do the simple math problems at the bottom of the page, and you'll be amazed! |
![]() One Barge |
![]() One 15 Barge Tow 22,500Ton 787,500 Bushels 6,804,000 Gallons |
![]() Jumbo Hopper Car 100 Ton 3,500 Bushels 30,240 Gallons |
![]() 100 Car Train Unit |
![]() Large Semi |
Equivalent Units | ![]() One Barge carries the same quantity as: |
![]() 15 Jumbo Hopper Cars (above) & 58 Large Semis (right) |
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and subsiquently..... | ![]() One 15 Barge Tow carries the same quantity as: |
![]() 2.25 100-Car Unit Trains (above) & 870 Large Semis (right) |
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Equivalent Lengths | ![]() One 15 Barge Tow |
![]() 2.25 100-Car Train Units is 2.75 miles long & the 870 Large Semis are 11.5 miles long (bumper to bumper) |
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In 1997, 38.8 million
tons of cargo was transported 1) If all the cargo transported in 1997 was done by semis, how many semis would it have taken? 2) If all the cargo transported in 1997 was done on barges, how many 15-barge tows would it have taken? 2) How many bushels of cargo is in the 11.5 mile long string of large semis? 3) EXTRA CREDIT........How long is a string of 58 large semis going down the highway, bumper to bumper? |
Center
for Global Environmental Education |