A car travels 90 kilometers in 1.5 hours. How far will it travel in 2 hours at the same speed?

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Multiple Choice

A car travels 90 kilometers in 1.5 hours. How far will it travel in 2 hours at the same speed?

Explanation:
At constant speed, distance is directly proportional to time: distance = speed × time. First find the speed from the given data: 90 km in 1.5 hours gives a speed of 90 ÷ 1.5 = 60 km/h. Keeping that speed, in 2 hours the distance is 60 × 2 = 120 kilometers. You can also see it by scaling the time: 2 hours is 4/3 of 1.5 hours, so the distance is 90 × 4/3 = 120 kilometers. Therefore, the car will travel 120 kilometers.

At constant speed, distance is directly proportional to time: distance = speed × time. First find the speed from the given data: 90 km in 1.5 hours gives a speed of 90 ÷ 1.5 = 60 km/h. Keeping that speed, in 2 hours the distance is 60 × 2 = 120 kilometers. You can also see it by scaling the time: 2 hours is 4/3 of 1.5 hours, so the distance is 90 × 4/3 = 120 kilometers. Therefore, the car will travel 120 kilometers.

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