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