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# Speed and distance word problems

1.The speed at which light travels is approximately 3.0 × 105 kilometers per second. How far will light travel in 1.5 × 101 seconds?

2.
The distance from Earth to the planet Jupiter is approximately 4.5 × 108 miles. If a spaceship traveled at a speed of 2.5 × 104 miles per hour, how many hours would it take the spaceship to travel from Earth to Jupiter? [Hint: d = rt]

3.
Americans consume approximately 9.5 × 106 gallons of popcorn each day. Approximately how much popcorn do they eat in a 365-day year?

4.
The speed at which light travels is approximately 3.0 × 105 kilometers per second. How far will light travel in 1.2 × 101 seconds?

#### Solution Preview

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1.The speed at which light travels is approximately 3.0 × 105 kilometers per second. How far will light travel in 1.5 × 101 seconds?
Distance = Speed * time
Speed = 3.0 × 105 km/s
Time = 1.5 * 10 = 15 seconds.
So the distance traveled is
Distance = (3.0 × 105 ...

#### Solution Summary

This provides a series of word problems that relate speed and distance, as well as other rates.

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