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.
Move all terms to the left side and set equal to zero. Then set each factor equal to zero. Exact form:
X=0,1/5
Decimal form:
X=0,0.2
alright so this sounds like a trick question. If there was a decrease in 13 degrees over a certain period of time (7 hours) which resulted in a final temperature of -2. 13+(-2)= 11