johnjackjohn johnjackjohn

27-08-2014
Mathematics

Answered

What is the adult to child ratio of 8:5 if 390 attend how many are adults

Answer :

Аноним Аноним

27-08-2014

[tex]a-number\ of\ adults\\\\\frac{a}{390}=\frac{8}{5}\ \ \ \ \ \ \ |multiply\ both\ sides\ by\ 390\\\\a=8\times78\\\\\boxed{a=624}\leftarrow answer[/tex]

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