Question 426658
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Hi
the questions Sets up 2 Equations with 2 unknowns
Let x and y be the number of rolls of cloth A and cloth B respectively
 Question states***
   75x + 55y = 3340min    |dyeing time  total
   50x + 30y = 2040min    |drying time total

    x = 24, number of rolls of cloth A
and y = 28, number or rolls of cloth B

CHECKING our Answer***
  75*24 + 55*28 = 1800 + 1540 = 3340min