How many complete rotations does the minute hand of a clock make as it moves from 12:00 noon to 4:00 p.m.?
Answer:
\(4\ rotations\)
Step-by-step explanation:
we know that
The minute hand of a clock will make one rotation in one hour
\(12:00\) noon to \(4:00\) p.m is equal to \(4\ hours\)
so
by proportion
Find how many rotations will make in \(4\) hours
\(\frac{1}{1} \frac{rotation}{hour}=\frac{x}{4} \frac{rotation}{hours} \\ \\ x=4\ rotations\)
The minute hand completes 4 rotations between 12:00 noon and 4:00 pm
There are 4 hours between 12:00 noon and 4:00 pm
For each hour, the minute hand completes a rotation
This means that, the minute hand completes 4 rotations in 4 hours
Hence, the minute hand completes 4 rotations between 12:00 noon and 4:00 pm
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