Answer:
No, its not equivalent
1/2 is equivalent though
Please mark as brainliest
You get extraneous solutions anytime the radical becomes undefined under the set of real numbers. for example

does not exsist since the radical cannot be used on a negative number
Answer
associative property of addition.
To solve this, you must define the variable first.
You can usually choose the variable to be what we are asked to find.
Let the number of people in the family be x.
The amount paid by each person (x) for admission and ride passes was $3.50+$5.50=$9.00
Only one payment for parking ($6) was made by the family.
The total amount spent was $9×x+$6
The total amount spent was $51.
Therefore, 5 people in the family went to the fair.