Question
Ivan started his xylophone practice at 9.40 a.m. and ended his xylophone practice at 3.30 p.m. He took a 10 break in between his xylophone practice. How much time did Ivan spend on his xylophone practice?
2 m

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Ivan started his xylophone practice at 9.40 a.m. and ended his xylophone practice at 3.30 p.m. He took a 10 break in between his xylophone practice. How much time did Ivan spend on his xylophone practice?