Question
David started his clarinet practice at 8.25 a.m. and ended his clarinet practice at 2.15 p.m. He took a 30 break in between his clarinet practice. How much time did David spend on his clarinet practice?
2 m

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David started his clarinet practice at 8.25 a.m. and ended his clarinet practice at 2.15 p.m. He took a 30 break in between his clarinet practice. How much time did David spend on his clarinet practice?