Please help urgent !!

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Icould really use some with this question.