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Which one is it? I just don't get this one

Which one is it? I just don't get this one
127k views
1 vote
Which one is it? I just don't get this one

Which one is it? I just don't get this one-example-1
User Mirel
by
7.9k points

2 Answers

6 votes
I need points for this quiz sorry ina hurry
User Tmgirvin
by
8.8k points
4 votes

Answer:

30

Explanation:

I believe the problem is worded to be a proportional equation:


\displaystyle (21)/(x)=(7)/(10)\\\\21*10=7x\\\\210=7x\\\\30=x

User Alves
by
8.0k points
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