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The ratio of “D”s to “A”s in the school was 6 to 19. If there were 872 As in the school this term, how many Ds were there?

 Sep 3, 2020
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6 out of (6+19)    ,  or    6 /25   are A's      then  the rest (19/25) are D's   

 

6/25 x   =  872

x = 872(25/6)

 

872(25/6)   *  19/25 =

     19/6 * 872 = .........    D's

 Sep 3, 2020

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