Frannie has 40 books in her library. She bought several books at a yard sale over the weekend. She now has 88 books in her library. Which equation best represents the number of books she bought this weekend. There may be more than one correct answer?

the answer is ! ?

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6950 is the

2 equivalent expressions to represent the area of a rectangle and the top is n-3 and the side is 2

area of the rectangle = length * width

given length = n - 3

width = 2

replace it in the area

so area of the rectangle = (n-3) *2

= 2(n-3)

one of the expression is 2(n-3)

to get another expression we distribute 2 inside the parenthesis

2(n-3) is 2n - 6

so another expression is 2n - 6

two equivalent expression are

2(n - 3)   , 2n - 6