Question
Fabian started his harp practice at 9.50 a.m. and ended his harp practice at 4.40 p.m. He took a 20 break in between his harp practice. How much time did Fabian spend on his harp practice?
2 m

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Fabian started his harp practice at 9.50 a.m. and ended his harp practice at 4.40 p.m. He took a 20 break in between his harp practice. How much time did Fabian spend on his harp practice?