What shapes could the smaller pieces be?

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?