mayac5369
13.05.2021 •
Mathematics
In a city school of 900 students, 38% of the students are on the honor roll
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Ответ:
if the question is what number of 38 percent, then the answer is 342
Ответ:
30 and 13
x-y=17 and x+y=43
x=17+y and x=43-y, so 17+y=43-y
so y=13
43-13=30, so x=30 and y=13