Given:
Kendra charges $8.00 for two puzzles and a piece of candy.
She charges $4.50 for one puzzle and a piece of candy.
To find:
The cost of each puzzle.
Solution:
Let x be the cost of a puzzle and y be the cost of piece of candy.
Kendra charges $8.00 for two puzzles and a piece of candy.
...(i)
She charges $4.50 for one puzzle and a piece of candy.
...(ii)
Subtracting (ii) from (i), we get
The cost of puzzle is $3.50. Therefore, the correct option is A.