Transportation and pollution 🍔

Rational numbers
<div class="card mt-4" style="max-width: 800px;"> <div class="row g-0"> <div class="col-md-4"> <img src="pic/Co2.png" width="200"/> </div> <div class="col-md-8"> <div class="card-body"> <h5 class="card-title">Calculate</h5> <p class="card-text">Every day, a certain number of passengers travel from neighboring cities (column 1) to Tübingen (column 2). Calculate how much the environment is polluted by using different means of transportation. Besides CO2, vehicles emit other harmful substances such as nitrogen oxides (NOx), carbon monoxide (CO), hydrocarbons (HC), particles (PM), sulfur gases (SOx), and heavy metals. Only CO2 is specified in the task. Fill in the solutions for the remaining columns:</p> <p class="card-text"><small class="text-muted">Use the attached scratch paper to solve the task.</small></p> </div> </div> </div> </div> <br> (3) How many diesel buses are required at minimum for transportation from the mentioned cities?<br /> (4) How many hybrid buses are required at minimum for transportation from the mentioned cities?<br /> (5) How many cars are required if, on average, they carry 2 persons, for transportation from the mentioned cities?<br /> (6) How much CO₂ will a diesel bus produce on that day?<br /> (7) How much CO₂ will a hybrid bus produce on that day on that route?<br /> (8) How much CO₂ will a car produce on that route on that day?<br /> (9) How much CO₂ will all diesel buses produce on that day?<br /> (10) How much CO₂ will all hybrid buses produce on that route on that day?<br /> (11) How much CO₂ will all cars produce on that route on that day?<br /> (12) How much less fuel will diesel buses produce on that day compared to cars?<br /> (13) How much less fuel will hybrid buses produce on that day compared to cars?<br /> (14) How much CO₂ will be produced on that day if half of the passengers from cars decide to travel by diesel bus?<br /> (15) How much CO₂ will be produced on that day if half of the passengers from cars decide to travel by hybrid bus?<br /> <table class="table table-bordered table-striped"> <thead> <tr> <th>Tübingen</th> <th></th> <th>Böblingen</th> <th>Mossingen</th> <th>Rottenburg</th> <th>Reutlingen</th> </tr> </thead> <tbody> <tr> <td>Km</td> <td>1</td> <td>25</td> <td>14</td> <td>12</td> <td>16</td> </tr> <tr> <td>Passengers</td> <td>2</td> <td> §§V2(100,500,50)§§ </td> <td> §§V1(200,400,25)§§ </td> <td> §§V3(300,500,20)§§ </td> <td>§§V0(2000,5000,1000)§§ </td> </tr> <tr> <td>Diesel bus 🚌 <br /> §§V7(35,60,5)§§ seats</td> <td>3</td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>Hybrid bus 🚎<br /> §§V8(35,55,5)§§ seats</td> <td>4</td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>Car 2 persons 🚗 </td> <td>5</td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>Diesel bus <br />🚌 §§V14(50,140,1)§§ CO₂/km</td> <td>6</td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>Hybrid bus <br />🚎 §§V15(20,40,1)§§ CO₂/km</td> <td>7</td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>Car <br />🚗 §§V16(120,180,1)§§ CO₂/km</td> <td>8</td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td> 🚌 ∑ CO₂</td> <td>9 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>🚎 ∑ CO₂</td> <td>10 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>🚗 ∑ CO₂</td> <td>11 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>(🚗 -> 🚌) CO₂ </td> <td>12 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>(🚗 -> 🚎) CO₂ </td> <td>13 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>(1/2 🚗 -> 🚌) CO₂</td> <td>14 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr> <td>(1/2 🚗 -> 🚎) CO₂ </td> <td>15 </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> </tbody> </table>
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