Question
Billy started his harp practice at 7.25 a.m. and ended his harp practice at 1.20 p.m. He took a 10 break in between his harp practice. How much time did Billy spend on his harp practice?
2 m

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Billy started his harp practice at 7.25 a.m. and ended his harp practice at 1.20 p.m. He took a 10 break in between his harp practice. How much time did Billy spend on his harp practice?