
Concept explainers
To evaluate: an expression to find the total cost and make a table showing the cost

Answer to Problem 11CYU
The total cost of tour bus for 25 passengers is
Number of passengers | expression | evaluation | Cost($) |
25 | |||
30 | |||
35 | |||
40 |
Explanation of Solution
Given:
A tour bus costs $75 plus $6 for each passenger.
Calculation:
Let the total number of passengers be 25,then the total cost for 25 passengers will be $75 plus 6 times 25 (as for each passenger$6cost is added so for total 25 passengers, the extra cost will be
The expression for the total cost of tour bus for 25 passengers is
Now, evaluate this expression to find the total cost of tour bus for 25 passengers.
Now, to evaluate this expression, first solvethe bracket.
Now, perform the addition
The total cost of tour bus for 25 passengers is $225
Now make a table showing the cost for 25,30,35 and 40 passengers.
The expressions for any number of passengers will be like that of for 25 passengers except thatwill replace 25 by 30,35 or 40 as required.
Number of passengers | expression | evaluation | Cost($) |
25 | |||
30 | |||
35 | |||
40 |
Conclusion:
The total cost of tour bus for 25 passengers is
Chapter 1 Solutions
Pre-Algebra, Student Edition
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