A car travels 150 miles in 3 hours. What is the average speed?

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Multiple Choice

A car travels 150 miles in 3 hours. What is the average speed?

Explanation:
Average speed is found by dividing the total distance by the total time. Here, 150 miles were traveled in 3 hours, so 150 ÷ 3 = 50. The car’s average speed is 50 miles per hour. In 3 hours at 50 mph you’d cover 3 × 50 = 150 miles, which matches the distance. If you tried 30 mph, you’d only go 90 miles in 3 hours; at 60 mph, you’d go 180 miles; at 75 mph, you’d go 225 miles.

Average speed is found by dividing the total distance by the total time. Here, 150 miles were traveled in 3 hours, so 150 ÷ 3 = 50. The car’s average speed is 50 miles per hour. In 3 hours at 50 mph you’d cover 3 × 50 = 150 miles, which matches the distance. If you tried 30 mph, you’d only go 90 miles in 3 hours; at 60 mph, you’d go 180 miles; at 75 mph, you’d go 225 miles.

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