Question

The cost of levelling a rectangular ground at Rs.1.25 per sq. m. is Rs.900. If the length of the ground is 30 m., then the width is -

Answer 1

area of the rectangle is l*b
l=30m
area=30b------1
1m^2=Rs1.25
1rs=4/5m^2=0.8m^2
900Rs=0.8*900
=720m^2--------2

From ---1 and ---2
30b=720
b=720/3
b=240m

so the width is 240m

HOPE IT HELPS YOU1
if it helped you then please it as brainliest answer