Question

Standard movie projectors project 24 still images, known as frames, each second. If a certain movie uses the standard frame rate and has exactly 129,600 total frames, then, to the nearest whole minute, how long is the movie?

Answer 1

The movie is 90 minutes long.

Step-by-step explanation:

Given,

Frames per second = 24 frames

Total frames projected = 129,600

Time for 129600 frames = $\frac{Total\ frames}{Frames\ per\ second}$

Time = $\frac{129600}{24}=5400\ seconds$

We will divide the total seconds by 60 to convert it into minutes.

Time in minutes = $\frac{5400}{60}$

Time in minutes = 90 minutes

The movie is 90 minutes long.

Keywords: division, conversion

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