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x pounds of Repperts chocolate valued at $3.50 per pound is mixed with y pounds of Godiva
chocolate valued at $4.30 per pound to produce 10 pounds of a mixture selling for $39. Find x
and y, the number of pounds of each type of chocolate. write two equations and solve using elimination
!!!!PLEASE HELP!!!!

Respuesta :

mhanifa

Answer:

  • 5 pounds each

Step-by-step explanation:

Required equations:

  • x + y = 10
  • 3.50x + 4.30y = 39

Substitute x in the second equation:

  • x = 10 - y

Solve for y:

  • 3.5(10 - y) + 4.3y = 39
  • 35 - 3.5y + 4.3y = 39
  • 0.8y = 4
  • y = 4/0.8
  • y = 5

Then

  • x = 10 - 5 = 5

5 pounds each

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