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Debora [2.8K]
2 years ago
14

Challenger Elementary School has 800 students. Every Wednesday, 12 percent of the students stay after school for Chess Club.

Mathematics
2 answers:
DENIUS [597]2 years ago
8 0
Let's set up a proportion.

\frac{x}{800}  \frac{12}{100}

Then solve for x:
12 x 800 = 9600
9600/100 = 96

96 is 12% of the 800 students. :)

Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
V125BC [204]2 years ago
3 0
First you will need to set up your equation. Your 800 students is equal to 100% and x is equal to your 12%. Your equation should be set up similarly:

   x            12
___    =   ___
800        100

Next you will cross multiply. You will multiply x with 100 and 12 with 800.

100 * x = 12 * 800
100x = 9,600

Finally, you will make x equivalent to 1. You do this by dividing both sides of the equation by 100.

100x = 9,600
/ 100     /100
x = 96

If you have done your equation properly then your answer should come out to 96 students. 
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