Question

the result of a number when increase by 15 % is 161.find this number

Answer 1

Let the original number = x
Increased percentage =15%
Increased value =161
Original value (100+increased percentage)/100=increased value

x[(100+15)/100]=161
x×(115/100)=161
x=(161×100)/115
x=(23×7×5×20)/(23×5)
After cancellation
x=140
Therefore
Original value=x=140

Answer 2

Answer:

Step-by-step explanation:

Let suppose the number x

=x+15%of x

=x+15÷100×x=161

=x (15÷100+x)=161

=x (0.15+x)=161

=x (1.15)=161

=1.15x=161

x=161÷1.15

X=140 ANSWER