Math

A 64 inch long board is divided into lengths in the ratio 2:3. What are the two lengths into which the board is divided? Thanks

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  1. let x = length of the first
    let 64 - x = length of the second
    since they are in ration 2:3, we can write this as:
    2/3 = x/(64-x)
    cross-multiplying, we have:
    2(64-x) = 3x
    128 - 2x = 3x
    128 = 5x
    x = 25.6 inches
    64-x = 38.4 inches

    hope this helps~ :)

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