2% of the people who signed up for their driving test were absent. Of those present, 57 passed the test. The rest failed. What percentage of the total number of people who signed up failed the test?
There were 40 more dresses than blouses in a shop. After 70 dresses and 30% of the blouses were sold, there were an equal number of dresses and blouses left. How many blouses were there in the shop at first?