Chapter 2: Q41. (page 108)
Perform the indicated operation.
Short Answer
The result of the operation is .
Chapter 2: Q41. (page 108)
Perform the indicated operation.
The result of the operation is .
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Evaluate the expression using the distributive property and mental math.
Use the distributive property to write an equivalent variable expression.
In Exercises 1–3, evaluate the expression. Justify each of your steps.
Game Room You are building a game room adjacent to your living room. The widths of the two rooms must be the same. There are no restrictions on the game room’s length l.
a. Write an expression for the total area of both rooms by multiplying their common width by their combined length.
b. Write a second expression for the total area by finding the area of each room separately and then adding the two areas.
c. Show that the expressions from parts (a) and (b) are equivalent.
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