shiny9362
01.10.2019 •
Mathematics
True or false integers are a part of the natural numbers subset
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Ответ:
10
Step-by-step explanation:
so x=true/false questions
y=multiple-choice questions
2x+4y=100
2x=y
plug in 2x for y in the first equation
2x+4(2x)=100
10x=100
x=10
y=20