Out of of are 40 students, 15 are on the student council. what percent of the students are not on the student council?

40-15=25 students not on student council

25/40 = .625 decimal

multiply by 100 to get percent

62.5% of students are not on student council

Estimating:

15 rounds to 20 and 40 rounds to 50

40% are in student council and that leaves roughly 60% not in student council.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get