Mathematics
Grade-7
Easy
Question
If depth of well is changed form 10 feet to 8 feet. Determine the percent change.
- 26%
- 20%
- 10%
- 6%
The correct answer is: 20%
STEP BY STEP SOLUTION
OLD DEPTH OF WELL = 10 FEET
NEW DEPTH OF WELL = 8 FEET
DECREASED DEPTH = OLD DEPTH - NEW DEPTH
DECREASED DEPTH = 10-8= 2 FEET


DECREASE %= 20%
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