Answer:
Gallons of gas use for work and errands is 10.
Explanation:
Given:
Jack purchases 12 gallons of gas on Monday. He uses 2/3 of the amount purchased commuting to and from work during the week and an additional 2 gallons running errands.
So, to find the gallons of gas Jack use for work and errands:
Now, to get the amount of gas used to and from work during the week


.
Additional 2 gallons of gas running errands.
Now, total gallons of gas use for work and errands = 8 gallons + 2 gallons
= 10 gallons.
Therefore, gallons of gas use for work and errands is 10.