# Tennis ball machine can launch 60 tennis balls in 12 minutes. At this rate, how many tennis balls can it launch in 2 hours?

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To find out how many tennis balls the machine can launch in 2 hours, we first need to determine the rate of balls launched per minute, then multiply that by the number of minutes in 2 hours.

Rate of balls launched per minute = Total balls launched / Total minutes Rate = 60 balls / 12 minutes = 5 balls/minute

Number of minutes in 2 hours = 2 hours * 60 minutes/hour = 120 minutes

Number of tennis balls launched in 2 hours = Rate * Total minutes Number of tennis balls = 5 balls/minute * 120 minutes = 600 balls

Therefore, the tennis ball machine can launch 600 tennis balls in 2 hours.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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