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katherine must ve at school at 8:45 am. the ride to school takes 20 minutes. she needs 40 minutes to eat breakfast and get ready. at what time should katherine get up?​

Respuesta :

She should get up at 7.45

Explanation:

8.45-40minutes is 8.05

Then you can further subtract 20 minutes from 8.05, making the answer 7,45

Another way this can be done is by adding 20 minutes and 40 minutes which is equal to 60 minutes, ie one hour. You can then subtract one hour from 8.45 leaving you with the answer :)

Hope that helped :)

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