Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. another 15% of the students she surveyed reported that their favorite class is science. how many more students in the survey prefer math over science?

40 more students in the survey prefer math over science.

Step-by-step explanation:

Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math.

This becomes 0.65\times80=52 students said their favorite class is math.

Another 15% of the students she surveyed reported that their favorite class is science.

Means students said that their favorite class is science.

Now to know how many more students in the survey prefer math over science we can do :

Therefore, 40 more students in the survey prefer math over science.

2

step-by-step explanation:

is the anwser b. (-13)?