Mathematics, 03.02.2021 18:50 luthfipadasseri

In a school, lessons are 55 minutes long. a) A maths lesson starts at 9:20am. What time does it end? b) A science lesson ends at 2:15pm. What time does it start?

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In a school, lessons are 55 minutes long. a) A maths lesson starts at 9:20am. What time does it end?...