Please help im on a timerrr

Step-by-step explanation:

7). Ratio of the students who name hockey as their favorite sport to hose who name basketball.

Ratio =

         =

         = 1 : 5

Option W is the answer.

8). Ratio of the students whose favorite sport is either baseball or soccer to the total students,

Ratio =

         =

         =

         = 11 : 19

Option O is the answer.

9). Ratio of the students who prefer soccer, basketball, baseball or hockey to those who preferred another sport,

Students who prefer soccer, basketball, baseball or hockey = 8 + 5 + 3 + 1 = 17

Students who prefer another sport = 2

Ratio = 17 : 2

Option K is the answer.

10). Ratio of total number of students to the students who preferred a sport with round ball,

Ratio =

         = 2 : 17

Option P is the answer.

the answer is 15% decrease

9 x 8 divided by (5-3)=36