question: The expenditure of Joseph in May was $500. In June, his expenditure was $60 less. How much was his total expenditure for those two months?
answer: His expenditure in June was $500 - $60 = $<<500-60=440>>440.
  His total expenditure for May and June was $500 + $440 = $<<500+440=940>>940.
  #### 940