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Math - Ratio's

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There are a total of 700 blue, yellow, and red balls in a machine.

The ratio of blue balls to the total number of balls is 2:7.

The ratio of yellow balls to blue balls is 7:4.

The ratio of blue balls to red is 4:3.

With the given information calculate the number of blue balls, yellow balls and red balls.

  • Math - Ratio's -

    Blue balls = 2:7 = 200/700 = 200

    Blue to red = 4:3 = 200:x, red = 150

    total - red - blue = yellow

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