The toll T, in dollars, for a truck using a certain bridge is given by the formula T =3.50 + 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? Choose the correct choice from the following answers
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 = 3.50 + 0.50( x − 2)   = 3.50 + .5*3   = 3.5 +1.5= 
<gadget id="calculator">3.5 +1.5</gadget>
<output>5</output>
5 $   Answer $ 5.00
<result>E</result>
The toll T, in dollars, for a truck using a certain bridge is given by the formula T =3.50 + 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?