Math

Two cyclists leave from an intersection at the same time. One travels due north at a speed of 18mph, and the other travels due east at 24mph. how long until the distance between them is 150 miles?

asked by Carmen
  1. after h hours, you want

    √((18h)^2+(24h)^2) = 150
    30h = 150
    h = 5

    posted by Steve

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