A clock loses 2 minutes every 8 hours.?

Alicia's mum plans to set the alarm at 11 p. m. on Sunday night to get Alicia up each morning. Alicia has to get up each day no later than 7 a. m.

What time should her mum set the alarm to be sure that Alicia isn't late to school any day, Monday through to Friday?

Answer:2 minutes every 8 hours, so 6 min every day.

If Alicia's mum sets the alarm on Sunday night at 11:00 pm then Monday 7am is 8 hours

So the alarm will actually ring at 7:02

After 1 day on Tuesday morning it will ring at at 7:08 am

On wednesday, at 7:14

On Thursday, at 7:20

On Friday, at 7:26

So Alicia's mom will set the alarm for 7:00 - 26 min = 6:34 am on Sunday night