Question

A scientist used 3 gallons of liquid forevery 6 hours he works. He usesof agallon each hour he works.

Answer 1

`\begin{gathered} \text{The scientist uses 3 gallons of liquid for every 6 hours which can be converted} \\ \text{into a rate of} \\ \frac{3\text{ gal}}{6\text{ hours}} \\ \text{we want to know how much is the gallon per hour or} \\ \frac{x\text{ gal}}{1\text{ hour}} \\ 3\colon6=x\colon1 \\ \text{Multiply the insides and outsides},\text{ and equate them} \\ (6)(x)=(3)(1) \\ 6x=3 \\ x=(3)/(6),\text{ simplify} \\ x=(1)/(2) \\ \text{Therefore, He uses a one half of gallon each hour he works} \end{gathered}`