Answer:
The correct answer would be 0.85 liters.
It can be explained with the help of unit rate that is, when the rate is expressed as the quantity of 1 for example, 5 meter per second, 5 liters per day et cetera.
In this case, unit rate (liter per day) can be calculated by dividing the total amount of water used by total number of days.
Amount of water used in 28 days = 23.8 liters
The amount of water used in one day = [tex]\frac{23.8}{28}[/tex]
It comes out to be 0.85 liters per day or 850 milliliter per day.
They use 0.85 liters each day to water a plant
Comparison is an effort to compare two or more objects in terms of shape or size, or number
Proportional Comparisons / Directly proportional are comparisons of two or more numbers where one number increases, the other numbers also increase at the same rate
Can be formulated
[tex]\displaystyle \frac {x1} {y1} = \frac {x2} {y2}[/tex]
so that if:
x = 2
then
[tex]\displaystyle y ={ \frac {y} {x} \times \: 2}[/tex]
While the reversal value comparison / inversely proportional is the comparison of two or more numbers where one number increases, the other number decreases in value
or when one value decreases at the same rate that the other increases
Can be formulated
[tex]\displaystyle \frac {x1} {y2} = \frac {x2} {y1}[/tex]
so that if:
x = 2
then
[tex]\displaystyle y = \frac {x} {y} \times \: 2[/tex]
The students use a total of 23.8 liters of water over 28 days
we translate this sentence into equation, :
23.8 liters = 28 days
? liter = 1 day
we can make a comparison(Directly proportional)
[tex]\displaystyle \frac{1~day}{28~day} =\frac{x~liters}{23.8~liters}[/tex]
[tex]\displaystyle x~liters=\frac{1~day\times23.8~liters}{28~day}[/tex]
[tex]\large{\boxed{\bold{x=0.85~liters}}}[/tex]
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Keywords: water, a plant, liters, Proportional Comparisons / Directly proportional
