Answer:
8.4 gallons
Explanation:
We have a boater traveled 532 miles and we want to know how much gas he used for this trip.
We are also given if he travels 63 miles then has used 1 gallon.
532 miles ->x gallons
63 miles ->1 gallon
The information here is lined up for you already.
We have from the line, this proportion:

x/1=x so we have:


So approximately 8.4 gallons was used on this trip of 532 miles.