Question

A rectangular area of ​​460 cm the length of the room is 15% higher than the width

Answer 1

b____>x say

then,l=x/100*15

=3x/20

given,lb=460

3x/20*x=460

3x^2/20=460

3x^2=20*460

3x^2=9200

x^2=9200/3

x^2=3066.66.....

x=√3066.6666.....