Question

a number decreases by 30% a given 84 the number is

Answer 1

the number is 120t ihen it's gives 84

Answer 2

Let the number be x.

Given number decreases by 30% = 84

 x - (30/100) * x = 84

100x - 30x = 8400

70x = 8400

x = 120.


Hope this helps!