Mathematics
Grade-7
Easy
Question
The area of school ground is reduced from 400 square feet to 200 square feet. Determine the percent change
- 10%
- 30%
- 50%
- 36%
Hint:
To find the decreased area we will deduct new area from the old area and then we will use the formula to find out the decreased %.
The correct answer is: 50%
STEP BY STEP SOLUTION
Old Area = 400 feet
New Area = 200 feet
Decreased Area = Old Area - New area
Decreased Area = 400 - 200 = 200 feet
Decreased % =
Decreased % = 
THE AREA OF THE SCHOOL GROUND IS DECREASED BY 50%
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