Question

How can you convert $18$ quarts to gallons?

Answer 1

Hint:
For converting the quarts to gallons we need a relation between them. As we know that the conversion factor, and as we know that the quart is quarter of a gallon. Hence, by using this we will be able to get the required converted value in gallons.

Complete step by step solution:
So we have the values of quarts given as $18$ and we have to convert this into the number of gallons. So from the hint, we know that
$ \Rightarrow 1{\text{ quart = }}\dfrac{1}{4}{\text{ gallons}}$, and we will name it equation $1$
So we have to find the number of gallons in $18$ quarts. So for this, by using the unitary method we will get the expression as
$ \Rightarrow 18{\text{ quart = }}\dfrac{1}{4} \times {\text{18 gallons}}$
And on solving the multiplication of the right side, we will get
$ \Rightarrow 18{\text{ quart = }}\dfrac{{18}}{4}{\text{ gallons}}$
Now on solving the division, we will get the expression as
$ \Rightarrow 18{\text{ quart = 4}}{\text{.5 gallons}}$

Therefore, there are $4.5$ gallons in $18$ quarts.

Additional information:
Generally, it is seen that most people use gallon when they have larger quantities, and when they have smaller quantities they use paints, cups, quarts, and many more. Also, we should not get confused in the U.S quart and U.K quart as there are some differences between the value of the quart and we can say it as the imperial value. In the same way for gallon also at both the places, the value does not match so we should not get confused between those values while converting them.

Note:
Here in this question we can see that we had used the term quarter and by seeing that we should not equate the equation directly and multiply, it will be wrong. We have to divide at that time. As this is a very important step so be careful.