Question

It is estimated that you will need 27 quarts of water for an upcoming camping trip. How many gallons of water must you bring along to have enough?

Answer 1

well, one QUART is really one QUARTer of something, or 1/4
in this liquid units, one quart is 1/4 of a gallon
well, there are 27 quarts, how many gallons are there then?

Answer 2

or \(\begin{array}{ccllll}
gallon&quarts
\\\hline\\
1&4\\
x&27
\end{array}\implies \cfrac{1}{x}=\cfrac{4}{27}\)