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If the ratio of children to adults is 2:9 and there are 70 children at an arts festival, how many adults are in attendance?

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  1. 17 May, 08:34
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    315

    Step-by-step explanation:

    If 70 children is 2 parts, one part is 35

    35*9 is 315
  2. 17 May, 08:51
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    315 adults

    Step-by-step explanation:

    2:9 where 2 is children and 9 is adults.

    2 = 70, therefore 1 = 35

    35 x 9 = 315
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