At Jonathan's school, there are 30 seventh graders participating in the school play. Of the students in the seventh grade, 60% are not participating in the school play. How many seventh graders at Jonathan's school are not participating in the school play?

Question

Isolation · Answer

We have 30 participants, out of x amount
There are 60% not there, which means that 40% of all students are the 30 people
Agreed?

Isolation · Answer

So then we have 40%x = 30
So we convert the percentage to a decimal, and get
0.4x=30
Then divide 30 by 0.4 and you get your answer

XXXTENTACION99 · Answer

75

Isolation · Answer

yep, so the total amount of people is 75, and then to find the amount of people not participating 75*0.6

XXXTENTACION99 · Answer

45

Isolation · Answer

yep, so we have 45 students not participating, there's your answer

XXXTENTACION99 · Answer

thanks

Isolation · Answer

no problem