From question,
(140-x)/7+70=120
Or, (140-x)/7=120-70
Or,140-x=50X7
Or, -x=350-140
Or, -x=210
:• x = -210 answers
The independent variable (the one they want) is the # of hours worked, since that determines the price.
All the other answers contain information not included in the problem
N÷3+1 or can be stated as 3÷n+1
The answer is x=-7 and x=-1
Answer:
y=-3x-3
Step-by-step explanation: