SOLUTION: An electrician charges one customer $260 for 4 hours. He charges another customer $150 for 2 hours. How much does he charge for his service fee,x, and his hourly charge, y, to his
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Question 1068324: An electrician charges one customer $260 for 4 hours. He charges another customer $150 for 2 hours. How much does he charge for his service fee,x, and his hourly charge, y, to his customers? Please show your work.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
x for hours
y for charges
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Points (x,y) are (2,150) and (4,260). Find the equation for the line containing the two points.
;
-----this is using point-slope form of linear equation.
-----equation now in slope-intercept form
Fixed fee is $40 and rate of pay in addition to the fee is $55 per hour.
NOTE: I used variables differently than you specified.
m, slope, the hourly rate
y, the total charges
x, the number of hours worked
b, the fixed fee
Form being y=mx+b
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