Solve the problem.Three different high schools plan to order the same three text books. School A plans to order 90 of book 1, 20 of book 2, 80 of book 3. School B plans to order 60 of book 1, 20 of book 2, 20 of book 3. School C plans to order 80 of book 1, 100 of book 2, 70 of book 3. The cost of book 1 is $15 per copy, the cost of book 2 is $20 per copy, and the cost of book 3 is $25 per copy. What matrix product displays the cost to each school of buying the textbooks? Display the two matrices which must be multiplied and their product.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
You might also like to view...
Solve.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches, according to the function 
What rainfall produces the maximum number of mosquitoes?
A. 4 in. B. 2 in. C. 0 in. D. 16 in.
Mathematics
Factor when possible.a2 - 11ab + 24b2
A. (a + 3b)(a - 8b) B. (a - 3b)(a - 8b) C. (a + 3b)(a + b) D. Prime
Mathematics
Provide an appropriate response. A rectangle box has a base of 12 inches by 18 inches. What would the length of the base of a second box be to have the same area if the width is 9 inches?
A. 24 inches B. 72 inches C. 54 inches D. 21 inches
Mathematics
Sketch the graph of the function.  figure 1.png)
What will be an ideal response?
Mathematics