11) A school starts at 9.00 a.m. and is over 2:30 p.m. If there are two breaks of 15 minutes and 30 minutes respectively , find the ratio of the break time to the total time the students spend at school.
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Answer:
Total break time=15minutes + 30 minutes= 45minutes. Ratio of the break time to the total time the students spend at school=45:330. =9:66. 9:66 is the required ratio.
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9:66 is the answer mark me as brainest
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