Level 2
At a supermarket, 20% of the fish were guppies and the rest were dory fish. 40% of the dory fish were sold. What was the ratio of the number of dory fish to the number of guppies in the end?
Level 2
There was an equal number of boys and girls in the hall. When 10% of the girls left the hall, there were 5 more boys than girls remaining in the hall. How many children remained in the hall?