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Sagot :
n=(3/4)*h*d
--------------------
n=Number of hours she reads
h=Hour(s)
d=Days
--------------------
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.
--------------------
n=Number of hours she reads
h=Hour(s)
d=Days
--------------------
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.
An expression for the number of hours she reads in d days is 0.75d hours
Further explanation
Some units that need to be recalled are as follows :
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds
Speed is the rate of change of distance.
[tex]\large { \boxed {v = \frac{d}{t} } }[/tex]
v = speed ( m/s )
d = distance ( m )
t = time taken ( s )
Let's tackle the problem now!
Sharon reads for 45 minutes each day , it means that :
Time Interval → Duration of Reading
1 day → 45 minutes = 0.75 hours
2 days → 2 × 0.75 = 1.50 hours
3 days → 3 × 0.75 = 2.25 hours
.
.
.
d days → d × 0.75 = 0.75d hours
Conclusion :
The number of hours she reads in d days is 0.75d hours
Learn more
- Conversion Factor of Speed : https://brainly.com/question/11224343
- The Distance of the Cheetah : https://brainly.com/question/7171227
- The Speed of The Car : https://brainly.com/question/568302
Answer details
Grade: Middle School
Subject: Mathematics
Chapter: Arithmetic
Keywords: Addition , Subtraction , Multiplication , Division , Number , Expression , Time , Duration , Write

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