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Mathematics 14 Online
OpenStudy (dsfdsf34234):

Martin has an exam tomorrow at 10:30 a.m. it takes in 30 minutes from the time he leaves on the time to get to his classroom and 45 min for him to leave home from the time he wakes up . if he wants to sleep 8.25 hr b4 his exam how much time does he have to study if he begins at 11 am ?

OpenStudy (dsfdsf34234):

hi

OpenStudy (anonymous):

hello

OpenStudy (dsfdsf34234):

please answer

OpenStudy (anonymous):

2 hours and 30 mins

OpenStudy (dsfdsf34234):

omg no

OpenStudy (anonymous):

why not

OpenStudy (mrnood):

start here.... so he needs to be at the exam by 10:30 he takes 30 mins to get therE what time must he leave?

OpenStudy (dsfdsf34234):

11;00

OpenStudy (dsfdsf34234):

10

OpenStudy (anonymous):

Mr Nood are you a teacher

OpenStudy (mrnood):

if he leaves at 11 he is already too late what time must he leave?

OpenStudy (dsfdsf34234):

10

OpenStudy (mrnood):

OK now he needs 45mins from when he wakes up before he leaves so what time must he wake up?

OpenStudy (dsfdsf34234):

9:45

OpenStudy (anonymous):

Mr Nood are you a teacher

OpenStudy (mrnood):

what is 45 mins before 10?

OpenStudy (dsfdsf34234):

9:15

OpenStudy (anonymous):

9 :45

OpenStudy (mrnood):

OK - now he wants to sleep 8.25 hours if he wakes at 9:15 what time must he sleep?

OpenStudy (dsfdsf34234):

1

OpenStudy (dsfdsf34234):

1 am

OpenStudy (anonymous):

MrNood are you a teacher

OpenStudy (dsfdsf34234):

help me mrnood

OpenStudy (anonymous):

he's still viewing but not answering dsfdsf34234

OpenStudy (dsfdsf34234):

hello

OpenStudy (dsfdsf34234):

just give the answer

OpenStudy (mrnood):

I have shown you the method - just keep taking off the times. He sleeps at 1 he starts studying at 11 how long can he study? that is your answer (AND - you did it yourself! so have some confidence to try these things!)

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