Question
Oliver started his violin practice at 7.35 a.m. and ended his violin practice at 1.15 p.m. He took a 30 break in between his violin practice. How much time did Oliver spend on his violin practice?
2 m

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Oliver started his violin practice at 7.35 a.m. and ended his violin practice at 1.15 p.m. He took a 30 break in between his violin practice. How much time did Oliver spend on his violin practice?