Paul plans to put concrete on a rectangular portion of his driveway. The portion is 12 feet long and six inches high. The price of concrete is $98 per cubic yard. The total cost of the concrete Paul needs is $108.89. Which of the following is closest to the width of the portion of the driveway on which Paul plans to put concrete?
[1 foot = 12 inches; 1 yard = 3 feet]
a) 3 feet
b) 5 feet
c) 8 feet
d) 10 feet