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Mathematics 15 Online
OpenStudy (anonymous):

Mary was given 1 h 20 min to do 5 sums. She finished them in 4/5 of the time. How long did she take to answer the sums?

OpenStudy (anonymous):

Hero be my Hero please :)

hero (hero):

Hint: Convert hours to minutes first.

OpenStudy (anonymous):

80 mins

OpenStudy (anonymous):

then?

hero (hero):

Okay, so now, find 4/5 of 80

OpenStudy (anonymous):

64?

OpenStudy (anonymous):

min?

hero (hero):

Remember: of = multiply, therefore: 4/5 x 80 = ?

OpenStudy (anonymous):

i did it on calculator i got 64. O.o

hero (hero):

Yes, that is correct, lol

OpenStudy (anonymous):

4/5= 0.8 0.8 x 80= 64

OpenStudy (anonymous):

dude pls don't fk with me

OpenStudy (anonymous):

:(

OpenStudy (anonymous):

i cry :(((

hero (hero):

You got it correct. There's no need to get angry.

OpenStudy (anonymous):

i was angry.

OpenStudy (anonymous):

I wannna give you more medal hero.

OpenStudy (anonymous):

so you could be the tooop. beat the moderator.

hero (hero):

It is okay. No one is above anyone else.

OpenStudy (anonymous):

your above a moderator. i want you to beat him!!! :D

hero (hero):

Okay =]

OpenStudy (anonymous):

how old are you btw?

hero (hero):

Why does that matter?

OpenStudy (anonymous):

ok i shouldn't have asked that. did you graduate ?

hero (hero):

Yes

OpenStudy (anonymous):

undergradute from university or college?

hero (hero):

By the way, 64 min = 1hr : 04 min

OpenStudy (anonymous):

yes i can't be that dumb alright.

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

which university?

hero (hero):

I'm not telling you :P

OpenStudy (anonymous):

wtf man. D:

hero (hero):

No need to get upset.

OpenStudy (anonymous):

PHD WHAT PROFESSOR

OpenStudy (anonymous):

PHD????? !!!?????

hero (hero):

Eventually :P

OpenStudy (anonymous):

i'M SO GELLE

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