Final answer:
Mr. Stanton purchased 40.33 yards of fencing for his garden by converting 121 feet into yards using the conversion factor of 3 feet per yard.
Step-by-step explanation:
If Mr. Stanton bought 121 feet of fencing for his garden, the question is how many yards did he purchase. Mr. Stanton purchased 40.33 yards of fencing for his garden by converting 121 feet into yards using the conversion factor of 3 feet per yard.
To convert feet to yards, we need to use the conversion factor that 1 yard is equal to 3 feet. Therefore, we can divide the total number of feet by 3 to find the number of yards:
121 feet รท 3 feet/yard = 40.33 yards
So, Mr. Stanton purchased 40.33 yards of fencing.