SOLUTION: It cost maurice $102 to buy refreshment for 6 people. It cost Sue $162 to buy refreshment for 10 people at the same restaurant. write the linear equation of the line that would pas

Question 127410: It cost maurice $102 to buy refreshment for 6 people. It cost Sue $162 to buy refreshment for 10 people at the same restaurant. write the linear equation of the line that would pass throught (6,102) and (10,162)
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
(162-102)/(10-6)=60/4=15 this is the slope.
102=15*6+b
102=60+b
b=102-60
b=42 answer for the y intercept.
y=15x+42 is the line equation.
(graph 300x300 pixels, x from -6 to 15, y from -10 to 50, 15x +42).
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