Answer:
ছাত্র= 20
ছাত্রী= 30
Step-by-step explanation:
ছাত্র = x
ছাত্রী= 50 - x
ATQ,
50x + 60*(50-x) = 2800
=> 50x + 3000 - 60x = 2800
=> -10x = 2800 - 3000
=> -10x = -200
=> 10x = 200
=> x = 200/10 = 20
ছাত্রী= 50-20 = 30
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Verified answer
Answer:
ছাত্র= 20
ছাত্রী= 30
Step-by-step explanation:
ছাত্র = x
ছাত্রী= 50 - x
ATQ,
50x + 60*(50-x) = 2800
=> 50x + 3000 - 60x = 2800
=> -10x = 2800 - 3000
=> -10x = -200
=> 10x = 200
=> x = 200/10 = 20
ছাত্র= 20
ছাত্রী= 50-20 = 30