The toll T, in dollars, for a truck using a certain bridge is given by the formula T = 1.50 + 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 2 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 = 16/2= 
<gadget id="calculator">16/2</gadget>
<output>8</output>
8   Total number of axles= 9   T = 1.50 + 0.50( 9 − 2)   = 1.50 + .5*7   = 1.5 +1.5 = 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 = 1.50 + 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 2 wheels on each of its other axles?