Math, asked by komaltiwari, 1 year ago

A number is first increased by 20%and then decreased by 15%. Find the net increase or decrease percent.

Answers

Answered by Hashlord

Consider the number to be 100.
First increased by 20% that is 120.
20% of 100 is 20 hence 120.
(100/100)×20 = 20

Then decreased by 15% that is 15% of 120 = 102.
(120/100)×15 = 18
120-18=102

The net increase percent of the original value 100 is 2% (102).

komaltiwari: sorry but solved chahiye

Hashlord: Arey....i can't insert an image now... can you delete my answer so that i can post a new one?

Hashlord: check the edited answer....hope it helps

komaltiwari: thank you so much

komaltiwari: i am really so sorry

Hashlord: happy to help

Answered by patelsneha

20%=1/5
15%=3/20
5 6
20. 23.
×=100. =138
38/100×100
=38%

patelsneha: increase hoga

komaltiwari: thanks

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