goi nang suat det trong 1 ngay theo du dinh la x(x nguyen duong ) =>so san pham det dc la 20x
nang suat thuc te la 6x/5 => so san pham det la 108x/5
=> ta co phuong trinh: 108x/5 - 20x =24
<=> (108x - 100x) / 5=24
<=> 8x=120 <=>x=15
=> so san pham det dc la: 15.20=300(san pham)
ta thay 300 thoa man dieu kien an
Vay so san pham la 300