No he did not because 20% of 250 is 50 and there are 90 students not 50 students!! Hope this helped you a lot !!!
8a-4a=4a
4a-6a=-2a
-2a-8=2a
-2a+2a=8
0 is not equal to 8
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Answer:
Step-by-step explanation:
Let the number be 'x'
Given:
Solving the quadratic equation:
The value of 'x' can be