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Mathematics, 28.01.2021 19:30 vliu470

Item 6 A rectangular mural has a length of $\ell$ centimeters and a width 30 centimeters less than its length. How much does it cost to border the outside of the mural using 1-centimeter square tiles that cost $2 each?

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Item 6 A rectangular mural has a length of $\ell$ centimeters and a width 30 centimeters less than...
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