In a class of 40 students, the number of girls is 3/5 of the number of boys.Find the number of girls in the class.
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x+3/5x=40
8x/5=40
x=40×5/8
x=5×5=25
No. Of girls=3/5×25
=5×3=15
8x/5=40
x=40×5/8
x=5×5=25
No. Of girls=3/5×25
=5×3=15
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