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Lisa tapes three 7- inch by 9-inch pieces of construction paper together to make a happy birthday sign For her mom she uses a piece of ribbon that is 144 inches long to make a border around the outside edges of the sign. how much ribbon is leftover



Answer :

You would multiply 7 times 9 which would be 63 and then you would subtract that from 144 and come out with An awnser of 81
You would do the following steps:-

7*9=63
144-63=81
81 inches of ribbon left

Hope i helped:D 

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