the perimeter of a school promises is 14/15unite to complete 2/15th part in 5 minutes for walking. then how much time takes to complete 14/15 units
Answers
ANSWER
The perimeter of the school promises = 14/15. Time Taken to complete 2/15 th part = 5 minutes Time taken to complete 14/15 th part = 14/15 ÷ 2/15 × 5/1 =14/15×15/2×5/1 cancellation of 15. =14/2×5/1= 70/2 = 35 minutes.
Given : perimeter of a school premises is 14/15 unit , to complete 2/15 unit or 2/15 Part , 5 minutes of walking is required
To Find : how much time takes to complete 14/15 units
Solution:
2/15 unit is covered in time = 5 minutes
1 units is covered in = 5/(2/15) minutes
=> 1 unit is covered in = 75/2 minutes
14/15 units are covered in = (14/15) (75/2)
= 7 * 5
= 35 units
if 2/15th part ( not unit ) is covered in 5 minutes
Then 1 Part is is covered in 5/(2/15) = 37.5 minutes
Then unit of perimeter does not have any significance
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