Question 440768
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Hi
After spending $3850 for tables and $1750 for chairs, a convention center
 manager finds that 30% of his original budget remains.
Let x represent the original amount of the budget
Question states*** 30% left, then 70% has been spent
  $3850 + $1750 = .70x
       $5600/.70 = x
      x = $8000, the original amount of the budget
   .30*$8000 = $2400, the amount that remains.