let "a number" = n
"3 times a number" = 3n
"the sum of 12" = "+ 12
Combine the two terms
3n + 12, or (B) is your answer
hope this helps
Answer:
Step-by-step explanation:
Answer:
I'm pretty sure it is d, 5/22
174/29 = 6 times the difference
17*6 = 102
12*6= 72
34*6 =204
15*6 = 90
so the answer is A
