To write the variable expression which describe the pattern shown in the table provided in the question.
Answer to Problem 55E
The complete table is:
Cost of item (dollars) | 1.00 | 1.50 | 2.00 | 2.50 | … |
|
Cost with coupon (dollars) | 0.50 | 1.00 | 1.50 | 2.00 | … |
|
Explanation of Solution
Given information:
Consider, the table provided in the question,
Cost of item (dollars) | 1.00 | 1.50 | 2.00 | 2.50 | … |
|
Cost with coupon (dollars) | 0.50 | 1.00 | 1.50 | 2.00 | … |
|
Calculation:
From the table provided in the question, it can be observed that the cost of item increases by $0.50 and discount availed by using coupon is $0.50.
Hence,
The variable expression for Cost of n items is
The variable expression for Cost with coupon of n items is obtained as:
The complete table is shown below:
Cost of item (dollars) | 1.00 | 1.50 | 2.00 | 2.50 | … |
|
Cost with coupon (dollars) | 0.50 | 1.00 | 1.50 | 2.00 | … |
|
Chapter 1 Solutions
Pre-Algebra
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