The toll T, in dollars, for a truck using a certain bridge is given by the formula T = 2.50 + 0.50( x − 2), where x is the number of axles on the truck. What is the toll for an 18-wheel truck that has 2 wheels on its front axle and 4 wheels on each of its other axles? Choices.
A) $ 2.50	B) $ 3.00	C) $ 3.50	D) $ 4.00	E) $ 5.00
Number of wheels in truck = 18   Number of wheels on its front axle =2   number of wheels remaining = 16   number of axles remaining axles = 16/4= 
<gadget id="calculator">16/4</gadget>
<output>4</output>
4   Total number of axles= 5   T = 2.50 + 0.50( x − 2)   = 2.50 + .5*3   = 2.5 +1.5= 
<gadget id="calculator">2.5 +1.5</gadget>
<output>4</output>
4 $   Answer $ 4.00
<result>D</result>
The toll T, in dollars, for a truck using a certain bridge is given by the formula T = 2.50 + 0.50( x − 2), where x is the number of axles on the truck. What is the toll for an 18-wheel truck that has 2 wheels on its front axle and 4 wheels on each of its other axles?