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Each swing that Susan builds requires $10 in hardware and $20 in wood. She uses the expression 10 + 20 to represent the total cost of building one swing.



Which expression represents the total cost of building three swings?



A.


10 + (3 • 20)


B.


3 + (10 + 20)


C.


3 • (10 + 20)


D.


3 • 10 + 20

1 Answer

4 votes
c is the answer!
i hope i helped...
User Maowtm
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