Math
posted by Joe .
Meredith took 15 minutes to unpack 4 boxes of books. If she unpacked a total of 28 boxes, how long did it take her to unpack all the boxes?

Math 
kazz
105 min

Math 
Joe
That's what I got & my teacher marked it wrong. Is that 1hr & 45 mins

Math 
kazz
if we convert it into hours:
in 1 hour there are 60 min
so, 105 min ( 1hr/ 60 min)
it's 1 hr. and 75 min.
maybe you can ask your teacher about that.. 
Math 
Joe
Ok. My answer was 105mins But converted to 1hr & 45 mins.
Thanks! 
Math 
Ms. Sue
I disagree with Kazz.
1 hour = 60 minutes
105  60 = 45 minutes
105 minutes = 1 hour and 45 minutes 
Math 
kazz
oh yes.. sorry:)

Math 
Joe
Thank you both

Math 
Ms. Sue
You're welcome.
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