Answer:
18:12
Step-by-step explanation:
I believe the answer is 7:1
i scaled back each ratio until i got to the base
n = 7 so it is:
5(7) - 4
= 35 - 4
= 31.
6
1/6 of 36=6
2/3 of 36= 24
24+6=30
36-30=6
2m+12
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