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11 January, 02:35

If the ratio of purple bikes to red bikes is 8 to 12 and there are a total of 100 bikes, how many of them are purple? * 40 purple bike 60 purple bikes 67 purple bikes 150 purple bikes

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  1. 11 January, 03:35
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    60

    Step-by-step explanation:

    sum the parts of the ratio, 8 + 12 = 20 parts

    Divide the total by 20 to find the value of one part of the ratio

    100 : 20 = 5 ← value of 1 part of the ratio, thus

    8 parts = 8 * 5 = 40 ← number of purple bikes
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