Question

the original price of an article is 640 rupees find its new price when it is decreased by 30% the first and the second one is it is increased by 20%​

Answer 1

Original Price=rs 640

1st decreased 30℅=20*640/100

=192

640-192=448

2nd increase =448+448*20/100

=448+89.6=537.6

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