Answer:
C.
Step-by-step explanation:
6≤x<21
8(x+3)
total means addition and times means multiplication so when you put it together you get 8*x+3 and because you want the total of x*3 you put it in parentheses
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Answer:
159
Step-by-step explanation:
35x-1 =-35 plus 34x20
Answer:
225
Step-by-step explanation:
Because of 45 time 5