The area of the classroom is 4 times less than the area of the hall. What is the class area if it is 300 meters less?
| December 21, 2020 | education
X-assembly hall
y-class
x / y = 4
x – y = 300
We output x
x = 300 + y
Substitute in the first expression:
(300 + y) / y = 4
300 + y = 4 * y
3y = 300
y = 100.
Answer: 100 meters square class area
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