Answer:
The supervisor started with ___77____ pieces of construction paper.
Explanation:
Each student received 3 pieces of construction paper.
There are 25 students.
25 × 3 = 75
The students received 75 pieces altogether.
She had 2 pieces left.
75 + 2 = 77
She started with 77 pieces.
The supervisor started with ___77____ pieces of construction paper.