Reverse Percentages

Question 1:

A car was sold for £43000, at a profit of 18%. Find the original amount.

£36441

Question 2:

A house was sold for £303000, at a profit of 35%. Find the original amount.

£224444

Question 3:

A car was sold for £37000, at a profit of 7%. Find the original amount.

£34579

Question 4:

A house was sold for £205000, at a profit of 38%. Find the original amount.

£148551