In a class VII of 45 students 2/5 are girls. Find the number of boys in the class.
please answer with step by step process.
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Answer:
If 2/5 are girls then 3/5 are boys
These added together equal 5/5 which is the total number in the class ( 45 in this example )
45 divided by 5 equals 9
3 fifths would be 3 x 9 = 27 boys
The other way is to let x = number of boys
multiply 45 ( total # students) by (3/5)
x = 45 (3/5)
x = 135/5 = 27 boys
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