(a)
To find: The new matrix for the changes in prices.
(a)
Answer to Problem 44PPS
The new matrix for the changes in prices is given below.
Explanation of Solution
Given:
The given table is shown in table 1
Table 1
Optical Zoom | 6 MP | 7 MP | 10 MP |
3 to 4 | $189.99 | $249.99 | $349.99 |
5 to 6 | $199.99 | $289.99 | $399.99 |
10 to 12 | $299.99 | $399.99 | $499.99 |
Calculation:
As the 10-mp cameras are on sale for 20% off, and other models are 10% off, so the new matrix after discount is given as:
Therefore the new matrix is as:
(b)
To find: The new matrix after allowing sales tax on the discounted prices.
(b)
Answer to Problem 44PPS
The new matrix for the changes in discounted prices is given below.
Explanation of Solution
The new matrix allowing for a 6.25% sales tax on the discounted prices can be calculated as by multiplying each amount of previous matrix by 1.0625.
Therefore the new matrix is as:
(c)
To describe: The differences in the above two matrices.
(c)
Answer to Problem 44PPS
The answer is given below.
Explanation of Solution
The difference between the results of the two matrices is that the one matrix is greater than the other because the taxes were already included in the discounted price, while the other matrix is showing only the price wherein there’s a discount.
Therefore the answer is given above.
Chapter 4 Solutions
Algebra 2
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