giovney
27.10.2020 •
Mathematics
in a secong grade class there are 7 boys there are as twice as much girls how many students are in that class
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Ответ:
I think the answer is 21 students
Step-by-step explanation:
I think it's 21 students because it said twice as much girls which is telling us to multiply 7 by 2 or 7 plus 2 and in this case the product/sum would be 14, and now we add 7 boys by 14 girls and that will be 21 students altogether.
-Hope this helps
Ответ:
2(3y-6) + 5y = 21
6y - 12 + 5y = 21
11y = 33
y = 3
Therefore x = 3(3) -6
x = 3