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At a rugby match the ratio of children to adults is 2:3 .There are 80 children in the crowd .How many adults are in the crowd?​

 Feb 22, 2020
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Ratio of children to adults  =  2:3

Set up the equation:  2:3  =  80:x

                                  2/3  =  80/x

Cross-multiply:          2·x  =  80·3

                                   2x  =  240

Divide by 2:                  x  =  120

 Feb 22, 2020

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