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54 * (2/3) = 36 students were on the bus.
54 - 36 = 18 chaperones were on the bus.
Step-by-step explanation:
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Answer: 97.6 feet
Step-by-step explanation:
The length of arc is 69.1 feet
<em><u>Solution:</u></em>
<em><u>The length of arc when angle given in degrees is given as:</u></em>

Where,
r is the radius
is the central angle in degrees
From given,

<em><u>Substituting the values we get,</u></em>

Thus the length of arc is 69.1 feet