The number 8000 is first increased by 20% and then decreased by 20%. Find the resulting number.
Answers
Answered by
50
(8000×20)/100=1600
8000+1600=9600
(9600×20)/100=1920
9600-1920=7680
8000+1600=9600
(9600×20)/100=1920
9600-1920=7680
Answered by
10
no. increased by 20%
100 120
8000 x
( cross multiply )
so ans. = 9600
then,
no. decreased by 205
100 80
9600 x
( cross multiply )
so ans. = 7680
therefor , the final ans. is 7680
100 120
8000 x
( cross multiply )
so ans. = 9600
then,
no. decreased by 205
100 80
9600 x
( cross multiply )
so ans. = 7680
therefor , the final ans. is 7680
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