Well the absolute means positive so it would be a positive 1.6
N=(3/4)*h*d
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n=Number of hours she reads
h=Hour(s)
d=Days
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You see, with this formula - when d=2,
n=(3/4)*h*2=(6/4)*h=(3/2)*h=1.5 hours
So, in the space of 2 days, she had spent 1.5 hours reading.
30.31 because of u do 29-4.37 then u add 5.68 and that's how u get your answet
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She must fill it 4 times as 4/8 is equal to 1/2