Question

Calculate the cost of painting a wall at 8/- per meter. If the wall is 7 meter long and
5 meter high?​

Answer 1

ᴀɴsᴡᴇʀ-:

⇝Wall area =2(8+6).4=112 sq m

⇝Area of roll=(.8).5=4 sq m

⇝No of rolls required=112/4=28

⇝Cost of papering=Number of rolls.cost of one roll

=28.120

=RS.3360

ʙᴇ ʙʀᴀɪɴʟʏツ