Mathematics, 29.01.2020 04:44 JEThompson6416

With this word problem
ralph can lay down a floor tile in 5 seconds. bob can lay down a floor tile in 4 seconds. if both boys work together, how many seconds would it take them to install 450 floor tiles.

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With this word problem
ralph can lay down a floor tile in 5 seconds. bob can lay down a floor...