This was the question⇩ and the strategy is above
Mrs Pine went on a shopping spree. When she arrived home, she was checking her receipts.
She had bought 4 items but only had the receipts for 2 of them. She had spent a total of $167.34.
The receipts she had were: $83.51, $36.49. She knew the other two items had a difference
in their cost of about $5. What might the items have cost?
