The ratio of boys to girls in a school is 3:2. If the number of girls is 640 find the total strength.
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here is your answer i think 640 galti se likha gya hoga 630 hoga yaha par
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Step-by-step explanation:
Ratio of boys nd girls= 3:2
Sum of ratio = 3+2= 5
Let total number of students be x
Number of girls = 2/5* x= 640
x= 640/2/5= 640*5/2= 1600
Total number of students= x= 1600
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