Homework Help: Finite Math

Posted by Carolyn on Wednesday, October 22, 2008 at 7:46pm.

Continental Motors manufactures taxis and airport limousines at its two plants. Plant A produces 75 taxis and 6 limousines daily, while plant B produces 50 taxis and 2 limousines daily. To fulfill its contractual obligations for November, the company must manufacture 3,124 taxis and 206 limousines. How many days should the company operate each plant if it wants to exactly meet its contracts?

Is the equation: 75t + 6L = 3,125
50t + 2L = 206

I have to find the equation before I can start with my augmented matrix. Can anyone help?

Finite Math - Damon, Wednesday, October 22, 2008 at 7:56pm
Days operating plant A = x
Days operating plant B = y

75 x + 50 y = 3124
6 x + 2 y = 206
- Finite Math - Carolyn, Wednesday, October 22, 2008 at 8:01pm
  Thank you so much!
augmented matrix - Damon, Wednesday, October 22, 2008 at 8:15pm
75 50 3124
6 2 206

1 2/3 41.65
1 1/3 34.33 subtract for new row 2

1 2/3 41.65
0 1/3 7.32 double row 2 and subtract for new row one
1 2/3 41.65
0 2/3 14.64

1 0 27.0
0 2/3 14.64 multiply row 2 by 3/2

1 0 27.0
0 1 22.0
- augmented matrix - Carolyn, Wednesday, October 22, 2008 at 9:03pm
  I don't particularly like to work with fractions so I went about it this way and came up with the same answer:
  
  75 50 3125 6R1-75R2 into R2
  6 2 206
  
  75 50 3125
  0 150 3300 R2 divided by 150 into R2
  
  75 50 3125
  0 1 1100 R1 - 50R2 into R1
  
  75 0 2025
  0 1 22 R1 - 50R2 into R1
  
  75 0 2025
  0 1 22 R1 divided by 75 into R1
  
  1 0 27
  0 1 22
  
  Thanks again!

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