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K & R Builders build three models of houses,  M1, M2, and M3,  in three subdivisions I, II, and III located in three different areas of a city. The prices of the houses (in thousands of dollars) are given in matrix A.         M1  M2   M3     I 320 340 360     420 430 450 620 660 800 A =  II   III K & R Builders has decided to raise the price of each house by 5% next year. Write a matrix B giving the new prices of the houses. B =

K & R Builders build three models of houses,  M1, M2, and M3,  in three subdivisions I, II, and III located in three different areas of a city. The prices of the houses (in thousands of dollars) are given in matrix A.         M1  M2   M3     I 320 340 360     420 430 450 620 660 800 A =  II   III K & R Builders has decided to raise the price of each house by 5% next year. Write a matrix B giving the new prices of the houses. B =

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section6.2: The Algebra Of Matrices
Problem 57E
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K & R Builders build three models of houses, 
M1, M2, and M3,
 in three subdivisions I, II, and III located in three different areas of a city. The prices of the houses (in thousands of dollars) are given in matrix A.
        M1  M2   M3  
  I
320
340 360  
 
420 430 450
620 660 800
A =  II
  III
K & R Builders has decided to raise the price of each house by 5% next year. Write a matrix B giving the new prices of the houses.
B =
 
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