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Standard VI

Mathematics

Estimation Using Percentages in Situations

Certain volum...

Question

Certain volume of water is needed to wash biodiesel. This is represented by the equation y = 4.25 x , where y is the volume of diesel in gallons and x is the volume of water required in gallons. What is the value of x, when y is 21.25 gallons?

4 gallons

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5 gallons

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2 gallons

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3 gallons

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Solution

The correct option is B 5 gallons
The given equation is y = 4.25x

Given, y =21.25 gallons

Therefore, 21.25 = 4.25 x

x = $\frac{21.25}{4.25}$

$\begin{matrix} 54252125 - 2125 - --- - 0 \end{matrix}$
Hence, the volume of water needed is 5 gallons.

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Certain volume of water is needed to wash biodiesel. This is represented by the equation y = 4.25 x , where y is the volume of diesel in gallons and x is the volume of water required in gallons. What is the value of x, when y is 21.25 gallons?

The correct option is B 5 gallonsThe given equation is y = 4.25x Given, y =21.25 gallons Therefore, 21.25 = 4.25 x x = 21.254.25 54252125 −2125–––––−2 0 Hence, the volume of water needed is 5 gallons.

The correct option is B 5 gallons
The given equation is y = 4.25x

Given, y =21.25 gallons

Therefore, 21.25 = 4.25 x

x = $\frac{21.25}{4.25}$

$\begin{matrix} 54252125 - 2125 - --- - 0 \end{matrix}$
Hence, the volume of water needed is 5 gallons.