QueenNerdy889
18.07.2019 •
Mathematics
How many students in all scored 100 or 95?and with question 2. and 3.
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Ответ:
for # 3. 32 students
Ответ:
60 = ( 40 / 100 ) * x ;
60 = 2x / 5 ;
2x = 300 ;
x = 300 / 2 ;
x = 150 is full marks.