Question

Gwen is building a wooden birdhouse for her mom. She finds a plank in the garage to use for

the base. When she realizes it's too long, Gwen cuts 2 inches off the plank. Now it's the
correct length of 9.75 inches.
Which equation can you use to find the length p of the plank before Gwen cuts it?

Answer 1

p = 11.75 - 2 = 9.75

Explanation:

2 + 9.75 = 11.75, which was the original length of the plank, therefore:

11.75 - 2 = the correct and current length of the plank