Mathematics, 12.11.2019 01:31 reagriffis24

In a science class students water a plant with the same amount of water each day for 28 consecutive days. if students use a total of 23.8 liters of water over the 28 days, how many liters of water did they use each day. how many milliliters did they use each day.

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Answer from: natashawetzel5961

Keywords:

Water, plant, water, liters, daily, milliliters, divide

For this case we must find the amount of liters of water that students used daily, for 28 days, to water a plant, knowing that they used a total of 23.8 liters of water at the end of 28 days. For this, we must divide and the result convert it to milliliters. So:

Let "x" be the number of liters of water that students used per day:

$x = \frac {23.8\ liters} {28\ days}\\x = 0.85\ liters\ per\ day.$

Thus, the students used 0.85 liters of water per day.

On the other hand, we know that: 1 liter equals 1000 milliliters. Then, by rule of three:

1 L -------------> 1000 mL

0.85L ---------->?

Where "?" represents the amount of daily water watered in milliliters

$? = \frac {0.85 * 1000} {1}\\? = 850\ mL$

Thus, the students used 850 milliliters of water per day.

850 milliliters of water per day.

Answer from: jeniferfayzieva2018

They use 0.85 liters = 850 mililiters each day.

Further explanation

Comparison is an effort to compare two or more objects in terms of shape or size, or number

Proportional Comparisons are comparisons of two or more numbers where one number increases, the other numbers also increase

Can be formulated

$\frac {x1} {y1} = \frac {x2} {y2}$

so that if:

x = 2

then

$y = \frac {y} {x} \times \: 2$

While the reversal value comparison is the comparison of two or more numbers where one number increases, the other number decreases in value

Can be formulated

$\displaystyle \frac {x1} {y2} = \frac {x2} {y1}$

so that if:

x = 2

then

$\displaystyle y = \frac {x} {y} \times \: 2$

Known

students use a total of 23.8 liters of water over the 28 days

Asked

The amount of water used in a day

Answer

From this we can make a comparison:

28~days=23.8~liters

1~day=x~liter

$\displaystyle \frac{1~day}{28~day} =\frac{x~liters}{23.8}$

$\displaystyle x~=~\frac{1~\times~23.8}{28}$

x = 0.85 liters

From the unit of volume, we convert liters to milliliters

1 liter = 10³ milliliters

0.85 liters we move the comma 3 units to the right becomes:

$\displaystyle 0.85 = 0~\boxed{,}\rightarrow~8~\rightarrow~5~\rightarrow~0~\boxed{,}$

= 850 mililiters

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Keywords: water a plant, liters, mililiters,students

In a science class students water a plant with the same amount of water each day for 28 consecutive

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