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Concept explainers
(a)
To find: The expression for the rates at which the employee was the car.
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 55E
Thus, the rate of the first employee is
Explanation of Solution
Given:
The average time taken to wash the car by one employee is 40 minutes.
The time taken to wash the car by other employee is
The time taken by the third employee to wash the car is
Calculation:
Consider the average of the time taken to wash the car by the first employee is,
The second employee wash the car in
The rate at which the third employee was the car is,
Thus, the rate of the first employee is
(b)
To find: The combined rate of cars washed per minute by the group.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 55E
Thus, the combined rate to wash the car is
Explanation of Solution
Given:
The average time taken to wash the car by one employee is 40 minutes.
The time taken to wash the car by other employee is
The time taken by the third employee to wash the car is
Calculation:
From part (a), the combined rate for washing the car by all the employee is,
(c)
To find: The number of cars washed per hour by the second employee.
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 55E
Thus, the rate at which the car is washed is
Explanation of Solution
Given:
The time taken to was the car by second employee is
Calculation:
Consider the combined rate of washing the car is,
Then,
Thus, the rate at which the car is washed is
Chapter 7 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
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- The only problems I need help with ae the last 8 ones, Thanksarrow_forwardGraph without using the calculator y-1 = | x+4 |arrow_forward9:43 AS く Akbar © Printed in the United States 15) Scale: 1 cmal unit on both axes .ill 64% The graph above shows a straight line QT intersecting the y-axis at T. i State the co-ordinates of T. ii Calculate the gradient of QT 16) iii Determine the equation of QT. A (-1, 9) ||| i L Г (5 marks)arrow_forward
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