AlgebraDifficulty 4.0AIMEFind the answerSouth Africa
Jess is standing in a queue of people. She is 18th from the front and 35th from the back. How many people are in the queue?
A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.
Solution
There are 17 people in front of Jess and 34 behind her. Including herself this makes 17+1+34=52 people.
Want a route through all this instead of an archive? The track
puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.
Source: MathNet,
licensed CC-BY-4.0.
Statement reproduced verbatim; metadata (topic, difficulty) added by this project.