drdurdana drdurdana

09-01-2015
Mathematics

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at a school event there were 96 girls .the ratio of number of girls to the number of boys was 4:5
after some time some boys arrived and the ratio became2:3 .how many boys arrived?

Respuesta :

10-01-2015

144, 4:6 simplifies to 2:3, if you divide 96 by 2 you get 48, and 48 x 3 = 144

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