The 7th grade class experienced a 15% decrease in enrollment. last year, the 7th grade class had 280 students. how many students are enrolled in the 7th grade class this year?

238 students are enrolled in the 7th grade class this year

Solution:  

Given that

Percentage decrease in number of students enrolled in 7th grade = 15%

Number of students enrolled last year = 280  

Need to determine number of students enrolled in 7th grade this year.

Lets assume number of students enrolled this year = x  

Percentage decrease in enrollment = (Number of student enrolled last year – Number of students enrolled this year) whole divided by number of students enrolled last year multiplied by 100

Hence number of students enrolled this year = 238.

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

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what is the image?