Answer:
D,1
Step-by-step explanation:
In the attached file
It is.
2(x+3)=2x +6
Times 2
2x + 6 =2x+6
Hope this helped,
-Tiara
An example of the ratio 4:1 could be, in a school for every 4 girls there is 1 boy. Or something similar:)
5 C + 3 < 28 a - 4 C - 214
a>9c +31
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28. 4
C >28a-21
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9