Concept explainers
To find the total money spent by Martin at the grocery store by using matrix multiplication.
Answer to Problem 37SGR
$28.56
Explanation of Solution
Given:
Martin bought 1 gallon of milk, 2 apples, 4 frozen dinners, and 1 box of cereal. The prices of each item are respectively given by the matrix
Calculation:
Let the quantity of each item bought by Martin be represented by the matrix
Now the total money is,
Hence total money spent by Martin is $28.56
Chapter 3 Solutions
Glencoe Algebra 2 Student Edition C2014
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