Question
Riordan started his bass practice at 8.30 a.m. and ended his bass practice at 2.20 p.m. He took a 25 break in between his bass practice. How much time did Riordan spend on his bass practice?
2 m

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Riordan started his bass practice at 8.30 a.m. and ended his bass practice at 2.20 p.m. He took a 25 break in between his bass practice. How much time did Riordan spend on his bass practice?