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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? b) A science lesson ends at 2:15pm. What time does it start?

Respuesta :

Baleigh2233

Answer:

A. It ends at 10:15am

B. It starts at 1:20pm

Explanation:

A. Add an hour then subtract 5 minutes

B. Subtract an hour then add 5 minutes

Answer:

a- 10:15 b- 1:20

Step-by-step explanation:

a- there are 40 min remaining in the hour. Subtract that from 55, you get 15. That means the time is 10:15.

b- There are 15 min in the hour, subtract that from 55. You get 40, the time is 1:20

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