Answer:
3/11
Step-by-step explanation:
Divide both the numerator and denominator by 2.

7- 5n=6+6(n+2)
7- 5n=6+6n+12
7 -5n=18+6n
5n-6n=18-7
-11n=11
n=-1
Answer:
option a) 30 : 19
Step-by-step explanation:

<em><u>Ratio of length to width:</u></em>
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642.2 is the answer if you multiply 3.8x169