# Linear Equation and Boarding Rate

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• Published : January 9, 2012

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Linear Equations in the real world

Problem 1) A cab company charges a \$3 boarding rate in addition to its meter which is \$2 for every mile. What is the equation of the line that represents this cab company's rate? |

Problem 2) A cab company charges a \$5 boarding rate in addition to its meter which is \$3 for every mile. What is the equation of the line that represents this cab company's rate? |
Slope of this line : 3
y-intercept of line: 5
Equation of this line(slope intercept form) : y = 3x +5

Problem 3) A cab company charges a \$3 boarding rate in addition to its meter which is \$½ for every mile. What is the equation of the line that represents this cab company's rate? |
Slope of this line : ½
y-intercept of line: 3
Equation of this line(slope intercept form) : y = ½x +3

Problem 4) A cab company charges a \$4 boarding rate in addition to its meter which is \$ ¾ for every mile. What is the equation of the line that represents this cab company's rate? |
Slope of this line : ¾
y-intercept of line: 4
Equation of this line(slope intercept form) : y = ¾x + 4

Problem 5) A cab company does not charge a boarding fee but then has a meter of \$4 an hour.What equation represents this cab company's rate? |
Slope of this line : 4
y-intercept of line: 0
Equation of this line(slope intercept form) : y = 4x

Problem 6) A cab company does not charge a boarding fee but then has a meter of \$4 an hour.What equation represents this cab company's rate? |
Slope of this line : 4
y-intercept of line: 0
Equation of this line(slope intercept form) : y = 4x

Problem7) A cab company charges a \$1 boarding fee and has a meter of \$1/3 an hour.What equation represents this cab company's rate? |
Slope of this line : 1/3
y-intercept of line: 1
Equation of this line(slope intercept form) : y = 1/3x+1