Answer:
-12
Step-by-step explanation:
Answer:
x=3
Step-by-step explanation:
34x-80=10x-8
34x -10x = -8 + 80
24x= 72
x= 72/24
x=3
Answer:$90
Step-by-step explanation: $30 is the cost. 200 is the percent of Mark-up, so you take 100 percent of 30 and add it together then you get 60. Repeat that step for a total of 90. 100 percent of 30 is 30. So 30+ 30+ 30 = 90.
Answer:
C) -12y-8y-4
Step-by-step explanation: