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Sagot :
Hi! Plumber A - Base Rate = $35.00 and Hourly = $15.00
Plumber B - Base Rate = $40.00 and Hourly = $12.00
$35.00 + $15.00 + $15.00 = $65
$40.00 + 12.00 + $12.00 = $64
Plumber A become more expensive than Plumber B after two hours.
Plumber B - Base Rate = $40.00 and Hourly = $12.00
$35.00 + $15.00 + $15.00 = $65
$40.00 + 12.00 + $12.00 = $64
Plumber A become more expensive than Plumber B after two hours.
x = 1.67 hours is the nearest time when Plumer B becomes more expensive than plumber B.
What is the equation?
The equation is the relationship between variables and is represented as y = ax+b is an example of a polynomial equation.
Let the hours be x and the hourly rate is y.
Now the data given in the table is calibrated into the equation.
The equation for A,
y = 15x + 35 - - - - - (1)
The equation for B,
y = 12x + 40 - - - - - - (2)
Solving equations 1 and 2
15x + 35 = 12x + 40
3x = 5
x = 5/3
x = 1.67 hour
Now put it on equation 2 and equation 1
y(B) = 12 * 1.68 + 40
y (B)= $60.1
y(A) = 12 *1.68 + 35
y(A) = $60.2
Thus, x = 1.67 hours is the nearest time when Plumer B becomes more expensive than plumber B.
Learn more about the equation here:
brainly.com/question/10413253
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