What you would do with this equation is:

1. Multiply 2 times the parentheses. 2 x 7 = 14.
2. Add the 1. 14 + 1 = 15
3. multiply 5x6 which = 30.
4. They are comparing each side of the colon in a ratio so ot would be 15:30
Depending on the answer they are looking for,
you could either keep it at 15:30 or simplify it to be 1:2
3(7)=21. 21 is not equal to 30?

I don't get the question.
i think this is a ratio question answer is

21:30 or 7:10 if simplified... i'm pretty positive but not completly sure
its ratio----

the left side equals 15 and the right side equals 30

so its 15:30 or 1:2

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