conversations.from: human
conversations.value: Vince owns a hair salon and he earns $18 per head. His monthly expenses are $280 for rent and electricity and 20% of his earnings are allocated for recreation and relaxation. He will save the rest. How much does he save if he serves 80 customers a month?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: This month, Vince earns 80 x $18 = $1440.
  The amount he allocates for recreation and relaxation is 20/100 x $1440 = $288.
  Thus, his monthly expenses is $280 + $288 =$568.
  Therefore, he saves $1440 - $568 = $872.