Question
David started his bass practice at 8.40 a.m. and ended his bass practice at 1.30 p.m. He took a 25 break in between his bass practice. How much time did David spend on his bass practice?
2 m

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David started his bass practice at 8.40 a.m. and ended his bass practice at 1.30 p.m. He took a 25 break in between his bass practice. How much time did David spend on his bass practice?