genyjoannerubiera
25.11.2021 •
Mathematics
Some number increased by 25% is the same as the answer decreased by x%
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Ответ:
The number of boys in Janice's class is 12 while the number of girls in Janice's class is 20
Step-by-step explanation:
Given that :
Ratio of boys to girls = 3:5
Total number of students = 32
Using tape diagram : The number of boys and girls in the classroom could b e obtained thus :
Sum of the ratio = (3 + 5) = 8
Number of boys :
(boys ratio/ total ratio) * number of students
(3 /8) * 32 = 12
Number of girls :
(boys ratio/ total ratio) * number of students
(5 /8) * 32 = 20
Hence,
The number of boys in Janice's class is 12 while the number of girls in Janice's class is 20