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Answer:
x = 12 , x = 21
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask!!!!
If the line passes through the points
and
then the slope of the line can be determined as

Then the equation of the line is

Answer: correct choice is B
70x + 490=1050
-490 -490\
70x= 560
divide both sides by 70
x = 8
8 passengers