sinnypooh sinnypooh
  • 13-01-2019
  • Mathematics
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How do you do a, b, c, d? With work shown thank you.

How do you do a b c d With work shown thank you class=

Respuesta :

harpazo
harpazo harpazo
  • 13-01-2019

I will do a and b and you do the rest.


For (a), the equation is x + y = 154.


For (b), the equation is 320x + 85y = 14,970.


We have two equations in two unknowns.


Use the substitute method to find x and y (the given c). Once you have x and y, use that to find d.


Take it from here.


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