SOLUTION: use the equations from part a and part b as a system of equation, use the substitution method to determine how many of each floor plan is avaialble x + y = 56 x + 3y = 56 descri

Question 387790: use the equations from part a and part b as a system of equation, use the substitution method to determine how many of each floor plan is avaialble
x + y = 56
x + 3y = 56
describe steps
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
You can re-write eq. 2,

Substitute,

Then from eq. 1,

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