Answer: $77
Step-by-step explanation: 77 is the correct answer because the price increased by 77 because 77 is the difference between the two, and how i got 77 was to subtract 140 ( the earlier price) from 217 ( the price that it changed to), i hope you found this helpful...
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The x value is 3.888888 (the eight repeats, goes on forever) hope this helps :)
slope = 3
y-intercept = 1
explanation
slope, m = (y2-y1)/(x2-x1)
= (19-10)/(6-3)
= 9/3
= 3
equation of a line is y = mx + c
at point (3,10)
=> 10 = 3*3 + c
=> c = 10-9
=> c = 1
finding y-intercept when x = 0
y = mx + c
by putting the values we have
y = 3*0 + 1
y = 1
I have edited my answer
