# SOLUTION: Please help me with this problem: A 5 mile taxi ride costs \$5.25 and a 10 mi ride costs \$8.75. Express the taxi cost as a function of the trip length. Then determine the cost of a

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 Click here to see ALL problems on Travel Word Problems Question 392044: Please help me with this problem: A 5 mile taxi ride costs \$5.25 and a 10 mi ride costs \$8.75. Express the taxi cost as a function of the trip length. Then determine the cost of a 23 mi ride.Answer by stanbon(57282)   (Show Source): You can put this solution on YOUR website!Please help me with this problem: A 5 mile taxi ride costs \$5.25 and a 10 mi ride costs \$8.75. --- Two points: (5,5.25) (10,8.75) ------------------------------------ Express the taxi cost as a function of the trip length. slope = (8.75-5.25)/(10-5) = 3.50/5 = 0.70 Intercept = ? 5.25 = 0.7*5 + b b = 5.25-3.50 b = 1.75 ---------------- C(x) = 0.7x+1.75 ======================= Then determine the cost of a 23 mi ride. C(23) = 0.7*23+1.75 C(23) = \$17.85 ================== Cheers, Stan H. ==============