Sarah and Emmaree put on just dance. After school. When they started, it was 4:45pm and they danced until 5:30pm how many degrees does the minute hand turn by the time they stop dancing?

Question

Nathanael Wong

Mathematics

20 July, 19:51

Sarah and Emmaree put on just dance. After school. When they started, it was 4:45pm and they danced until 5:30pm how many degrees does the minute hand turn by the time they stop dancing?

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Answers (1)

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Johnny · Answer 1

4:45 to 5:00 would have the minute hand turn 90 degrees.

The rate is 90 degrees per 15 minutes. Using this, you can add 15+15 to make 30, which, if you do the same for the degrees, is 180 degrees.

From 4:45 to 5:30, the minute hand has to turn (90+180).

The final answer is 270 degrees.