Christian can clean the room and 20 minutes by himself and Bob can clean the room and 30 minutes by himself how long would it ta
1 answer:
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Answer:
Option (2)
Step-by-step explanation:
Equation of a line passing through a point (x', y') and slope 'm' is given by,
y - y' = m(x - x')
From the question in the picture attached,
Slope of the line 'm' =
Line passes through a point (80, -71).
Equation of the line will be,
y + 71 =
y =
y =
Option (2) will be the answer.