Question
Tom started his violin practice at 7.30 a.m. and ended his violin practice at 4.20 p.m. He took a 15 break in between his violin practice. How much time did Tom spend on his violin practice?
2 m

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Tom started his violin practice at 7.30 a.m. and ended his violin practice at 4.20 p.m. He took a 15 break in between his violin practice. How much time did Tom spend on his violin practice?