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Next calculate the mileage charge: 150 miles × $0.20/mile = $30
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Add the two amounts to find the total cost: $105 + $30 = $135
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#### 135
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A cyclist travels the first 30 kilometers of a race at a speed of 20 km/h and the remaining 70 kilometers at 35 km/h. What is the cyclist's average speed for the entire race?
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Calculate the time for the first part: 30 km / 20 km/h = 1.5 hours
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Calculate the time for the second part: 70 km / 35 km/h = 2 hours
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Total time = 1.5 hours + 2 hours = 3.5 hours
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Total distance = 30 km + 70 km = 100 km
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Average speed = total distance / total time = 100 km / 3.5 hours ≈ 28.57 km/h
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#### 28.57
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A company’s profit increased by 15% in the first year decreased by 10% in the second year and increased again by 5% in the third year. If the initial profit was $100 000 what is the profit at the end of the third year?
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First year increase: $100 000 × 1.15 = $115 000
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