Question

The spectators at a parade consisted of children, adults and senior citizens. 50% of the spectators were children. 60% of the remaining spectators were adults, and the rest were senior citizens. How many people were there if there were 520 senior citizens?

Answer 1

Answer:

$\frac{50}{100} \% = \frac{1}{2}. \: \: \: \: \frac{60}{100} = \frac{3}{2}$